2023 day16/rust: parallelize

Now that `digits` is a fixed-size array, both methods get unrolled the
same and there is no performance difference.

.gitignore

@@ -0,0 +1,4 @@
+example*
+*.hi
+*.o
+target/

2020/README.md

@@ -1,3 +1,34 @@
 # Solutions for Advent of Code 2020
 
 https://adventofcode.com/2020/
+
+## Overview
+
+|day| python | haskell | VHDL |
+|---|--------|---------|------|
+| 1 |  `**`  |  `**`   |      |
+| 2 |  `**`  |  `**`   | `**` |
+| 3 |  `**`  |  `**`   |      |
+| 4 |  `**`  |  `**`   |      |
+| 5 |        |  `**`   |      |
+| 6 |        |  `**`   |      |
+| 7 |  `**`  |         |      |
+| 8 |        |  `**`   |      |
+| 9 |        |  `**`   |      |
+|10 |        |  `**`   |      |
+|11 |  `**`  |         |      |
+|12 |        |         |      |
+|13 |        |  `**`   |      |
+|14 |        |  `**`   |      |
+|15 |  `**`  |         |      |
+|16 |        |  `**`   |      |
+|17 |        |  `**`   |      |
+|18 |        |  `**`   |      |
+|19 |        |  `**`   |      |
+|20 |        |         |      |
+|21 |  `**`  |         |      |
+|22 |        |         |      |
+|23 |        |         |      |
+|24 |        |  `**`   |      |
+
+`test.sh` can be used to run all solutions and automatically compares them to (my) puzzle inputs and the expected outputs.

2020/data/day1.expected

@@ -0,0 +1,2 @@
+1018336
+288756720

2020/data/day1.input

@@ -0,0 +1,200 @@
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2020/data/day10.expected

@@ -0,0 +1,2 @@
+1885
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2020/data/day10.input

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2020/data/day11.expected

@@ -0,0 +1,2 @@
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2020/data/day11.input

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2020/data/day12.expexted

@@ -0,0 +1,2 @@
+820
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2020/data/day12.input

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2020/data/day13.expected

@@ -0,0 +1,2 @@
+2215
+1058443396696792

2020/data/day13.input

@@ -0,0 +1,2 @@
+1005162
+19,x,x,x,x,x,x,x,x,41,x,x,x,x,x,x,x,x,x,823,x,x,x,x,x,x,x,23,x,x,x,x,x,x,x,x,17,x,x,x,x,x,x,x,x,x,x,x,29,x,443,x,x,x,x,x,37,x,x,x,x,x,x,13

2020/data/day14.expected

@@ -0,0 +1,2 @@
+12512013221615
+3905642473893

2020/data/day14.input

@@ -0,0 +1,572 @@
+mask = 101XX10X1X00001010011011X1XXX1001011
+mem[12898] = 4515455
+mem[39269] = 262864
+mem[15998] = 27
+mem[4565] = 896581
+mem[35263] = 872262
+mask = 110X1111000X000111001XX0110X010111XX
+mem[5436] = 29453
+mem[405] = 4591187
+mem[36544] = 119659504
+mem[4590] = 1754617
+mask = 11001111000100XX11000000000XX0X0X001
+mem[18971] = 65392
+mem[12898] = 60445914
+mem[51566] = 8117
+mem[7267] = 99056
+mem[25605] = 978
+mem[33329] = 437436
+mask = 10X0X100X00000101X0X0001111111X101XX
+mem[43594] = 7609
+mem[12898] = 126982257
+mem[15065] = 4039
+mask = 11XX11XX000100X10110111001101000X110
+mem[2358] = 139154
+mem[48424] = 361
+mask = X00X0X000101010111111000X11001000111
+mem[60868] = 1012242539
+mem[13504] = 114153
+mem[51015] = 34551413
+mem[43984] = 708156
+mem[58774] = 436301
+mem[15489] = 243282402
+mem[10963] = 81839
+mask = 1001000X1100001001001101XX01000001X0
+mem[63618] = 3428738
+mem[16270] = 289636637
+mem[45847] = 271443
+mem[38518] = 2789
+mask = X0010X000101X00111110010101010X001X1
+mem[56985] = 14253068
+mem[10578] = 869930
+mask = 10000100010100010X11X01X00X011010001
+mem[31893] = 32746
+mem[57677] = 1423
+mem[43667] = 94853349
+mem[7624] = 76941001
+mem[20508] = 1273351
+mask = 10XX00100011X0X0110XX1X10011XX111000
+mem[28963] = 125041
+mem[42777] = 251362
+mem[34873] = 155374451
+mem[29355] = 886081
+mem[16775] = 57795906
+mem[42311] = 10111
+mem[30652] = 4443965
+mask = 10000111XX000001X1X0X001011110X00111
+mem[31369] = 31024146
+mem[23234] = 1046769566
+mask = 00XX1010XX1X001011010111X11X1010011X
+mem[20251] = 3138
+mem[23672] = 28276
+mem[48425] = 304
+mem[51384] = 6985
+mask = 110X011X00000001X100111001X010010X0X
+mem[44366] = 985
+mem[47430] = 127814906
+mem[34576] = 41033794
+mem[58183] = 11571792
+mask = XX0001X0010100011X11101010000101X011
+mem[47311] = 897443
+mem[47179] = 457654457
+mask = X100X11100010X0XX10X1000X11001001100
+mem[57561] = 38620862
+mem[63945] = 78
+mem[37164] = 2722
+mask = 0000XXXX0011XX0XX1110010X10000111000
+mem[52440] = 14680631
+mem[10040] = 482410861
+mem[31369] = 1312217
+mask = 10X1X0001000X01111X01011100111111001
+mem[33657] = 127832235
+mem[59700] = 232182856
+mem[64183] = 32458630
+mem[13528] = 56706903
+mask = 00XX110X0X0XX00111010101X001110111X0
+mem[34491] = 23031313
+mem[16152] = 2473
+mem[46572] = 58257
+mask = 11X1011X00000001010XXX1010X10000X000
+mem[36932] = 54890
+mem[17249] = 518900642
+mem[58586] = 27068931
+mask = 1100011X0000X00111001000X00011X11001
+mem[4203] = 11690902
+mem[20122] = 399199895
+mem[32417] = 379534
+mem[50520] = 3253466
+mem[23645] = 12184122
+mask = 100000X00001010011X01011100X0010X010
+mem[59410] = 3462
+mem[51849] = 231731736
+mem[31141] = 17505
+mem[2661] = 20669501
+mem[57030] = 225241
+mem[37965] = 4947
+mem[37475] = 120
+mask = 10XX01110001000XX10001X0101111000011
+mem[54239] = 21386681
+mem[25423] = 49927683
+mem[17991] = 24735
+mem[26742] = 66457157
+mask = 10000100100X00100X011X11100X10100100
+mem[42442] = 2898
+mem[33841] = 98213928
+mem[1295] = 436390
+mem[20533] = 26130
+mask = 00X0001X000X000011001X1010000X101101
+mem[12898] = 85396
+mem[17781] = 96765096
+mem[23645] = 156257533
+mem[41542] = 25550
+mem[23694] = 19768
+mask = 00000000X0111101X11101110110X01X0001
+mem[30165] = 9659654
+mem[17417] = 840
+mem[38700] = 20540407
+mem[17514] = 266223622
+mask = 1X0X0X100001000011001000101X11X0XX11
+mem[1187] = 2633
+mem[49568] = 13636
+mem[41073] = 2493
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+mask = 10000XXX0001000X1100010X111111000001
+mem[18887] = 22856
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+mem[8329] = 9182
+mem[30265] = 1720165
+mem[55589] = 56956
+mem[56070] = 99398329
+mask = 11X0111100010001X1X0101X0011X01XX1XX
+mem[22677] = 289814
+mem[57909] = 24289535
+mem[2053] = 96654349
+mem[12868] = 30681
+mem[28491] = 26428
+mem[52407] = 644
+mem[26000] = 1537
+mask = 100001X11100X00X0110010X111X100X0110
+mem[61720] = 4504409
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+mem[8177] = 1825
+mem[16963] = 831395
+mem[58488] = 32600
+mask = 10000X001000001XX1XX101111X11X100XX1
+mem[23493] = 1676
+mem[14482] = 39198509
+mem[12119] = 277
+mem[34873] = 839193094
+mem[59700] = 213967901
+mem[44792] = 4486
+mask = 11101111XX0X00010X100X101XX100000X00
+mem[21304] = 749
+mem[17415] = 1039713731
+mem[56228] = 1653
+mask = 0000X0X000X1X000X1XXX01000100010100X
+mem[54745] = 258440
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+mem[18231] = 118264
+mem[3314] = 7774920
+mem[48978] = 58150
+mask = 11010X11000000X1110011100X001001X0X0
+mem[11295] = 1701
+mem[43085] = 35120466
+mem[36184] = 717214
+mem[11085] = 797499853
+mem[50040] = 100884
+mem[12868] = 76327
+mem[1094] = 17127824
+mask = X1X0111100000001X100100111101111X000
+mem[23009] = 56150703
+mem[62945] = 187456
+mem[16270] = 2148
+mem[6558] = 226
+mem[18104] = 116620
+mask = 1100111X000100010X0X1XX0111101X00X1X
+mem[20277] = 41195
+mem[55507] = 497048
+mem[65060] = 1392113
+mem[39631] = 729
+mem[20012] = 221
+mem[38700] = 157
+mask = 1011110X1100001010XX01X111X111X01110
+mem[50095] = 329773464
+mem[19363] = 23694
+mem[23187] = 136735746
+mem[41305] = 248581
+mem[60810] = 36613
+mask = 11X1010000000001X00001X0010010111X10
+mem[23234] = 315410359
+mem[61681] = 3806597
+mem[57545] = 205794
+mem[8173] = 743124
+mem[33142] = 2265923
+mem[50325] = 338694
+mask = 11101XX10001X001X100101X0X11101000X0
+mem[10886] = 92
+mem[31621] = 49382572
+mem[40094] = 381691821
+mem[22404] = 25092613
+mem[26046] = 540575313
+mask = 1100X110000X000100X01X0X0X00X0X00001
+mem[6401] = 12044
+mem[51779] = 1254732
+mem[49213] = 14771072
+mask = 11001X1100X10X0111001110X10X0XX00100
+mem[17960] = 1810
+mem[58879] = 14547554
+mask = 10110010X01110X01101000101100X011X01
+mem[6271] = 43039
+mem[42035] = 308023
+mem[61809] = 14965999
+mem[14482] = 22965
+mask = 1000011111000X0X0110X111X1001XX00110
+mem[34865] = 521885574
+mem[32874] = 47758845
+mem[49758] = 486116428
+mem[4620] = 436
+mem[8795] = 37336
+mem[35355] = 1913
+mem[24155] = 5028
+mask = 100X00X100XXX0X011X111000001X00X1001
+mem[12898] = 326718882
+mem[41304] = 2217
+mem[512] = 252187
+mask = 00001X10X0111X0X01100010001010110011
+mem[17133] = 9763003
+mem[53861] = 20374202
+mem[12411] = 11146
+mem[44155] = 70710
+mem[18558] = 1014374
+mem[8244] = 27394
+mask = 1100111100010X0X110X10X1X1110X100100
+mem[6255] = 15673046
+mem[27448] = 617665
+mem[17549] = 1391
+mem[9254] = 1191392
+mask = 1110111X00010001X11XX110X01110100001
+mem[27269] = 915739
+mem[17886] = 2414578
+mem[23234] = 10312308
+mask = 1000111100010X01110X0101XX1010100001
+mem[14210] = 3945538
+mem[53570] = 152079
+mem[42311] = 804
+mem[20501] = 7528
+mem[62486] = 44029
+mask = 1X1X110X1X0X0010100001X111X11X10110X
+mem[31020] = 10294
+mem[36367] = 173644419
+mem[3344] = 55087
+mem[22404] = 3768102
+mask = 0X000010000X00X01100XX1000110X001101
+mem[8146] = 32084685
+mem[25356] = 204754
+mem[53100] = 31087
+mem[16162] = 43271515
+mem[7495] = 248175354
+mask = 0X00111X000100000111000011000X11000X
+mem[48425] = 16845
+mem[21120] = 5932031
+mem[18984] = 5971079
+mem[22024] = 1139029
+mem[57772] = 8264
+mask = 1000X1X111X00000011001001X01X1000X11
+mem[29416] = 214197264
+mem[23107] = 16163
+mem[35947] = 392
+mem[3969] = 18827505
+mask = 1X001111000XX10X1101110001X111100000
+mem[23664] = 824737
+mem[35051] = 6316
+mem[23107] = 3396
+mem[23133] = 93865
+mask = 101000100011X000110101010110XX01010X
+mem[64539] = 503222475
+mem[49280] = 222415
+mem[4908] = 6056
+mask = X11011110001000111X000110X100X111101
+mem[63002] = 227835267
+mem[62736] = 2687
+mem[35355] = 13135677
+mem[30575] = 34622509
+mem[6958] = 8289
+mask = 1100111100X1X00111101011001110XXX011
+mem[38931] = 50025
+mem[5213] = 488636
+mem[16162] = 6370
+mem[49918] = 27948504
+mem[10972] = 32144736
+mem[25810] = 23808695
+mem[59308] = 573239
+mask = 1000001000X10X001100X011X01X11100X01
+mem[8119] = 1356
+mem[18765] = 16001283
+mem[40681] = 81290249
+mem[12898] = 1301
+mem[26361] = 20784743
+mem[27679] = 142542224
+mask = 101X001X001X00001X0X0110001X111X01X1
+mem[35355] = 805383617
+mem[61993] = 4078154
+mem[17549] = 1577966
+mem[5900] = 111957340
+mask = 0000001000010XX01X000000000100X10001
+mem[14482] = 203210
+mem[40789] = 103701945
+mem[60901] = 165096
+mem[9784] = 16634
+mem[58840] = 2959
+mask = 0X0000100001010XX1X0101X001X01X010XX
+mem[35677] = 923584
+mem[38170] = 52214160
+mem[59710] = 917580
+mem[28352] = 9711
+mem[24738] = 527299
+mask = 111XX100100100X0XXX0010111011010100X
+mem[48324] = 113818619
+mem[46099] = 22968630
+mem[2047] = 7513744
+mem[16084] = 22059
+mem[3484] = 7934120
+mask = 100001X00X01000111XX110010X1X0011X01
+mem[40970] = 582049676
+mem[43326] = 33149
+mem[28352] = 8866951
+mem[8571] = 5223
+mask = X10100100XX1000011001X00100011000010
+mem[57677] = 10736612
+mem[44008] = 27644
+mem[51849] = 54378
+mem[20005] = 5582059
+mem[23107] = 9832268
+mem[57561] = 40400
+mask = 11101111000X0001X10X10X10X1X10X010X0
+mem[29968] = 89927661
+mem[56] = 1989163
+mem[7557] = 17453
+mem[33361] = 9
+mem[43444] = 78638
+mem[12248] = 54497991
+mem[35709] = 2765740
+mask = 110XX1X00000000X0X00110000X0000001X0
+mem[34491] = 13649
+mem[26000] = 980
+mask = 0X0000100X010100X1X0X000010001100101
+mem[7504] = 2704
+mem[41073] = 22655
+mem[28507] = 9278213
+mem[21463] = 1475
+mem[63802] = 11330
+mask = 11001111000X0001X100X1001001101000X0
+mem[45847] = 1029083
+mem[52359] = 87173
+mem[7504] = 205315899
+mem[37731] = 657
+mem[41396] = 1027
+mask = X001X0100XX10X1011X10X010000001111X1
+mem[29618] = 14034335
+mem[7831] = 1455
+mem[28409] = 26087196
+mask = X000001000010X0011001X1XX010XXX011X1
+mem[49280] = 816038
+mem[53410] = 632054
+mem[25605] = 2170
+mem[47742] = 449847
+mem[7056] = 13776253
+mem[12256] = 722
+mask = 110X11X100010001X10010X0X01010100100
+mem[63043] = 7807913
+mem[57885] = 230082055
+mem[50315] = 27089695
+mem[64722] = 54151
+mem[19735] = 978866
+mem[41391] = 9015641
+mem[50548] = 96572794
+mask = 100X00X0XX0000X1110X10111011111000X1
+mem[61760] = 5688555
+mem[18595] = 4630
+mem[41305] = 1670
+mem[25605] = 472094
+mem[50759] = 28261157
+mask = 00XXX1X0010100011XX1011010X0010100XX
+mem[16270] = 7874
+mem[63561] = 49551173
+mem[43150] = 11196
+mem[18504] = 18360154
+mask = 1X0101X1000000X111001X100X0011010101
+mem[1825] = 2048695
+mem[26563] = 66443
+mem[22477] = 2539322
+mem[59104] = 1269245
+mem[50554] = 3370
+mem[7797] = 300
+mask = 1000000XX0000X11010X11111X011010X011
+mem[61720] = 700175
+mem[37943] = 41662
+mem[3405] = 441992426
+mask = X0XX0X001X00001001000111110110XX0110
+mem[45473] = 1830
+mem[35940] = 16393
+mem[44793] = 10545068
+mem[23107] = 145304756
+mem[48096] = 480559528
+mem[57539] = 97582237
+mem[64518] = 60543
+mask = 10X00100010100X1X01XX0X000010101011X
+mem[14210] = 200447
+mem[26703] = 46292
+mem[42748] = 7946
+mem[11664] = 7633363
+mask = X00X010001010X01XX11X0101X0X01000X01
+mem[40269] = 357709
+mem[36823] = 14385170
+mem[52568] = 522064310
+mem[41363] = 389730
+mem[4127] = 2285054
+mask = 1010110010000010X000XX111011100X01XX
+mem[19072] = 49597375
+mem[32473] = 7622
+mem[1916] = 9685106
+mem[10040] = 16339629
+mem[10795] = 25165351
+mem[16634] = 508779
+mem[16084] = 232615
+mask = 11XX1111X001XX0111000010X0110100X111
+mem[44372] = 11010
+mem[58030] = 5106
+mem[15235] = 24371
+mem[41578] = 3641535
+mask = 110000X000000X01X0X0X01X1X0100001011
+mem[64968] = 1528
+mem[21183] = 429276
+mem[51816] = 60726
+mem[12248] = 87748
+mask = X0001111000000011100101X10111100X11X
+mem[39612] = 57230
+mem[33329] = 35880
+mem[15681] = 27569
+mem[51326] = 237622439
+mem[36099] = 48369
+mem[58183] = 726
+mem[38471] = 2690
+mask = 11X011110X01000X0100X0X0X000X01X01X0
+mem[41793] = 519002787
+mem[39290] = 5821
+mask = 000X00100001XX00X1000000X1XX10010110
+mem[36367] = 1347261
+mem[52040] = 858329
+mem[60969] = 14183
+mem[49232] = 3014091
+mask = X000X01X000101XX1100X11001X00000100X
+mem[61397] = 9063
+mem[63395] = 92917
+mem[47750] = 6587
+mem[13695] = 2038
+mem[52876] = 219355
+mem[50726] = 815351
+mask = 11X0X111000100011100100X0X11X1X011XX
+mem[24438] = 360143
+mem[14268] = 233280
+mem[46071] = 14590
+mem[47430] = 195019
+mem[8714] = 5003481
+mem[34758] = 866985
+mask = 10000X00XX010101101X1X111001X0001110
+mem[12826] = 369283
+mem[33546] = 519165
+mem[34578] = 12340
+mem[13504] = 301264250
+mem[4433] = 26315015
+mask = X0X011X000X100X001110100000XX011100X
+mem[10779] = 6427
+mem[62591] = 124867728
+mem[4073] = 26086825
+mem[19735] = 14280934
+mem[40681] = 54398576
+mem[44232] = 1164302
+mem[5734] = 677248729
+mask = 1000XX0X11000010X100X01011011X1001X1
+mem[55680] = 6971988
+mem[4565] = 1361280
+mem[35316] = 2209
+mem[40546] = 758
+mem[47381] = 49216
+mask = 000000100XX10101X10X10000XX1X01X0100
+mem[57507] = 477326
+mem[58729] = 256151738
+mem[47689] = 16875625
+mask = 0000001000010X00X100100X0X0X0X00010X
+mem[58893] = 531598
+mem[56609] = 1534
+mem[793] = 3558686
+mem[17811] = 31042
+mem[41552] = 73028105
+mem[12657] = 1035597401
+mask = 110011100000000101001XX00101X0000X00
+mem[18971] = 81961737
+mem[58641] = 685839
+mem[58774] = 51830284
+mem[50554] = 190835154
+mask = 1010X100000000101X00100X1110X0001X01
+mem[10630] = 11281616
+mem[30301] = 344
+mem[21809] = 66389352
+mem[15829] = 3924744
+mem[50602] = 546681
+mem[33142] = 153438
+mask = 0X000010000X010X111X01X11110111X10X0
+mem[32309] = 1315
+mem[59481] = 404
+mem[13793] = 2029
+mem[41406] = 2393
+mem[7495] = 24826836
+mem[61576] = 9555003
+mask = 00000100X10X010111111X0010X111010010
+mem[6662] = 15689063
+mem[1130] = 182923358
+mem[6648] = 3538
+mem[8833] = 7984
+mem[7495] = 8285851
+mask = 11000X1X00XX000100X01X0X01X11X000000
+mem[34270] = 180307825
+mem[36097] = 712
+mem[47750] = 843753
+mem[44800] = 247708
+mem[48331] = 31912
+mask = 0001000001010101XX1X1X1X011X1000011X
+mem[15235] = 491
+mem[47685] = 775
+mem[52882] = 99948
+mem[32016] = 395727
+mask = 100000010XX0XX00X101X10000X110X01000
+mem[49801] = 230387797
+mem[55855] = 7808
+mem[39291] = 114525
+mem[50759] = 2588
+mem[31793] = 19374
+mask = 10XX11X000010X00X1X1XX010011011110X1
+mem[45068] = 763282
+mem[31165] = 43188
+mem[25684] = 1041033
+mem[52456] = 32196
+mask = 1100X1XXX001X00111X0110X0X101010X101
+mem[59821] = 6610
+mem[57397] = 67932
+mem[15240] = 505977952
+mask = 100X001XX0X1X00011010100X0110000X001
+mem[22585] = 2024050
+mem[30527] = 79580709
+mem[57425] = 7597579
+mem[49280] = 47528262
+mask = 1X00XX1X000X0001110011X010X111000001
+mem[45847] = 207968
+mem[12898] = 69230005
+mem[18887] = 433691609
+mem[7495] = 114085080
+mem[8177] = 105183315
+mem[9561] = 1468259
+mem[38679] = 7998

2020/data/day15.expected

@@ -0,0 +1,2 @@
+496
+883

2020/data/day15.input

@@ -0,0 +1 @@
+2,0,1,7,4,14,18

2020/data/day16.expected

@@ -0,0 +1,2 @@
+25984
+1265347500049

2020/data/day16.input

@@ -0,0 +1,268 @@
+departure location: 25-568 or 594-957
+departure station: 33-447 or 466-952
+departure platform: 31-700 or 725-956
+departure track: 43-124 or 141-952
+departure date: 26-290 or 306-962
+departure time: 34-754 or 763-960
+arrival location: 29-208 or 217-958
+arrival station: 48-118 or 124-973
+arrival platform: 35-368 or 389-972
+arrival track: 47-91 or 106-970
+class: 35-521 or 528-960
+duration: 27-833 or 855-965
+price: 25-870 or 895-957
+route: 31-140 or 146-965
+row: 35-736 or 743-957
+seat: 33-227 or 249-961
+train: 27-763 or 788-961
+type: 34-167 or 193-950
+wagon: 47-437 or 443-952
+zone: 48-928 or 940-955
+
+your ticket:
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+
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2020/data/day17.expected

@@ -0,0 +1,2 @@
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2020/data/day17.input

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2020/data/day18.expected

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2020/data/day18.input

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+9 * 3 * ((4 * 2 + 5 * 5 + 2) + 4 * 4) + (6 + 6 * 7 + 9 * 9) + (9 * 8 + 5 + 4 * 9)
+9 * 5 * 6 * (4 * 4) * (9 + (4 + 2 * 7 + 3) + 9) + 2
+((2 * 3 + 6 + 5) * 2 * 9 + (9 + 8 * 7 + 3 * 2 + 6) + 8) * 7 + 3 + 9 * 9
+(3 * 2 * 7 + 6 * 8) + 4 + ((7 + 2) * 7 * (8 * 6 + 4 + 4 * 2 + 5) + 4 * (9 * 9 * 6 + 4 + 5 * 8) * 2)
+9 + 6 * 8 * 6 + (8 * 3 + 9 + 4) + 6
+(5 * (9 + 9 + 3 + 5) * 6 + 7 * 4 * 6) * 7 + (6 + (2 + 9 + 2 * 5 + 4) + (9 * 5 * 7 * 8 + 4) * 4 + 8 * 5) * 9 + 4
+3 * (2 * (8 * 4 + 7) + 6)
+(8 + 9 * 5 + 3 * 9 * 5) + 6 * ((6 * 8 * 6 * 4 + 9) + (2 * 5) * 2) + 4 + 9 + 7
+5 * 3 * (2 * 5 * 8 * 6 * 7 * (4 * 8 + 3 * 7))
+3 + 9 * 4 + 5 * 9
+6 * 7 * 4 * 6 * 9 + (4 + 2 + (3 + 5 * 9 * 2 + 8) * 3 + (8 * 6) * 8)
+(7 + 7 * 5 * 2 + (3 * 4 + 8 * 2 * 9 + 4)) + 5
+(4 + 2) * 4 * 2 + 9 + (9 + 9 + 4 + 3 * 4 + 9) + (4 + 8 + 2)
+((9 + 8 * 4 + 3 + 8 * 9) + 4 * 5 * 7 + 7) * 5 + 2
+(2 * 7 + 6 * 5 * 6 * 9) * 9 * 2 * 8 * 7
+(8 + 2 * 7 * 5) * 4 + 7
+6 * 6 + (7 + 7 + 6 + 4 * 7)
+9 + 5 + 2 + 4 * 9 + (3 * 6 * 5 * 3)
+8 * 8 + 4 * 6 * ((6 * 3 * 5 + 5 * 6) + 3 + 6 * 6 + 8) * (2 * 8 + 9)
+2 + 5
+2 * 2 + 7 * 4 + (6 * 8)
+4 * ((6 * 3) * 7 * 6 * 2 * 7 * 9) + ((4 + 5 + 2 + 4 * 8 + 9) + 4 + (3 + 5 + 3 * 9 + 9) + 5 * 4 + (4 + 5 + 6 + 3)) + 5
+3 + (6 + 5 + 2 * 5 + 8) + 4 + 2 * 3
+9 + 9 + (4 + 6 * 9 * 2) * 2 + 6 * 6
+4 + 9 * 9 + 4 + (5 * 6 + (8 + 5 * 3) + (7 + 6 + 7) * 3) * 9
+(7 + 2) + (4 + 6 * 5 * 7 + 4)
+5 * (4 + (4 + 9) + (6 + 7 * 7 + 3) + (4 * 5 + 5 * 9 * 6) * (2 + 9 * 7)) * 5 + 7 + 3 * 6
+8 * 5 * (3 + 4) * 9 * 5
+9 + ((2 * 8 + 4) + 6 * 4 + (2 * 9) * 9 + 6) + (3 * 2 * 5 + (4 * 8) + (8 * 2) * 9)
+4 + 8 + 6 * 9 * ((6 + 8 * 5) + 6 * 9)
+(8 * 9 + 5 * 9 * 3 * 3) * 6 * 2
+5 * 5 + 4
+9 + (7 * 5 + 4 + 2 + 8 * 5)
+(9 + (2 * 4 + 8) * (4 * 9 + 7 * 2 + 2) + 4) + 3 * 5 + 7 * 7
+(6 * 2 * 9 * 8 * (3 + 4 + 3 + 2 + 7)) * 7 + 4 * 6
+9 + 7 + (3 + (5 + 9 * 2 * 4 * 9) * (9 + 6 + 5) + 9 * 7 * 9) * 5
+7 + (2 + 5 * 7 * 4) + 6
+6 * 3 + (6 + 5 * (4 + 8 + 8) + 6) * 3 * 9 * 7
+3 * (9 + 2 * (8 * 5 + 9 * 6 + 2 + 3) * 4 + 4 * 6) * 2 + 3
+8 + 6 + ((2 * 2 + 7) * 7 + (8 + 2 + 2)) + 6 * 5
+7 * (9 * 3 + (4 * 4 + 4) * 6 * (8 + 8 + 2)) * (5 * 4 + 6 * 8 + 3)
+3 + 5 * (4 * (8 + 8 * 8 + 2) + 6 + 9 * 4 + 8) * 7 + (4 + 5 + (6 + 8 * 8) + 5 * 6)
+4 * 8 * 6 + 7 * (5 + (3 * 2 * 2 * 5 * 8 + 7)) * 9
+((8 + 5 + 6) + 3) * 3 * 5
+((9 * 7 * 4 * 4 * 9) + 3 + 9 + 9 + 3 + 2) + 8 + 5 * ((6 * 5 + 3 + 5 * 3) + 3 + (3 * 6 * 5))
+7 * 2 * 4 + 9

2020/data/day19.expected

@@ -0,0 +1,2 @@
+147
+263

2020/data/day19.input

@@ -0,0 +1,465 @@
+90: 86 86
+122: 86 1 | 99 20
+116: 86 58 | 99 75
+20: 86 123
+62: 99 95 | 86 113
+81: 76 99 | 90 86
+106: 120 86 | 93 99
+73: 99 72 | 86 45
+117: 131 99 | 72 86
+92: 86 96 | 99 98
+13: 3 99 | 118 86
+56: 90 86 | 58 99
+85: 72 99 | 51 86
+51: 99 99 | 86 86
+59: 99 25 | 86 62
+65: 99 15 | 86 97
+112: 86 13 | 99 38
+46: 33 86 | 2 99
+10: 67 86 | 68 99
+33: 120 99 | 76 86
+38: 35 86 | 125 99
+26: 86 10 | 99 55
+1: 33 99 | 60 86
+8: 42
+16: 51 86 | 93 99
+107: 40 99 | 2 86
+40: 17 120
+34: 86 82 | 99 127
+88: 93 17
+2: 99 51 | 86 120
+32: 100 99 | 7 86
+113: 86 127 | 99 82
+14: 73 86 | 44 99
+25: 86 101 | 99 56
+130: 110 86 | 109 99
+19: 86 4 | 99 49
+30: 86 92 | 99 70
+27: 17 86 | 86 99
+94: 47 86 | 53 99
+115: 86 107 | 99 84
+15: 76 99 | 58 86
+58: 86 99
+105: 130 86 | 32 99
+71: 120 99 | 131 86
+12: 99 131 | 86 82
+60: 72 86 | 93 99
+84: 86 102 | 99 80
+44: 99 76 | 86 72
+125: 76 99 | 131 86
+18: 99 71 | 86 52
+129: 37 86 | 111 99
+102: 99 131 | 86 76
+66: 86 105 | 99 41
+99: "a"
+9: 99 18 | 86 65
+131: 17 99 | 99 86
+39: 76 99 | 93 86
+64: 115 99 | 114 86
+57: 86 48 | 99 94
+35: 72 86 | 51 99
+0: 8 11
+77: 86 83 | 99 106
+118: 72 86 | 75 99
+47: 99 103 | 86 85
+23: 99 27 | 86 76
+48: 119 99 | 78 86
+49: 86 51 | 99 45
+67: 86 120
+61: 86 72 | 99 127
+108: 72 99 | 72 86
+95: 86 58 | 99 90
+83: 86 27 | 99 131
+75: 86 99 | 99 99
+101: 51 99 | 27 86
+103: 90 99 | 90 86
+128: 86 69 | 99 33
+70: 99 14 | 86 19
+52: 127 86 | 90 99
+21: 86 24 | 99 59
+22: 86 63 | 99 12
+42: 79 86 | 66 99
+97: 51 17
+104: 86 33 | 99 28
+100: 99 16 | 86 39
+72: 99 86
+78: 86 43 | 99 50
+55: 86 6 | 99 34
+45: 99 99
+5: 86 46 | 99 77
+93: 99 99 | 99 86
+6: 131 99 | 51 86
+110: 71 86 | 28 99
+68: 90 86 | 27 99
+29: 87 86 | 122 99
+80: 86 93 | 99 131
+54: 120 86 | 75 99
+43: 93 86
+98: 99 103 | 86 117
+7: 101 86 | 88 99
+127: 17 86 | 99 99
+96: 86 12 | 99 61
+41: 99 5 | 86 112
+79: 86 57 | 99 21
+11: 42 31
+86: "b"
+111: 45 99 | 72 86
+63: 76 99 | 127 86
+124: 86 81 | 99 116
+28: 86 75 | 99 58
+82: 99 86 | 86 99
+121: 64 86 | 74 99
+87: 86 124 | 99 104
+74: 99 26 | 86 9
+31: 126 99 | 121 86
+50: 99 72
+119: 34 86 | 36 99
+36: 86 82 | 99 75
+91: 86 131
+3: 58 99 | 27 86
+114: 99 129 | 86 22
+24: 86 89 | 99 128
+53: 91 99 | 95 86
+126: 29 86 | 30 99
+109: 99 108 | 86 23
+17: 86 | 99
+76: 86 86 | 99 86
+120: 17 17
+89: 54 86 | 37 99
+4: 99 131 | 86 58
+69: 27 17
+37: 99 58
+123: 86 76 | 99 82
+
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+aaaaabaaaaabbbaabbabaaaaabababaaabbbbbaabbaaaaba
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2020/data/day2.expected

@@ -0,0 +1,2 @@
+603
+404

2020/data/day20.expected

@@ -0,0 +1,2 @@
+54755174472007
+???

2020/data/day21.expected

@@ -0,0 +1,2 @@
+2075
+zfcqk,mdtvbb,ggdbl,frpvd,mgczn,zsfzq,kdqls,kktsjbh

2020/data/day21.input

@@ -0,0 +1,36 @@
+nncl snvzl jsrrk grbmvx qzczl zh kbbmsc bltrrnl jkpmsf hfxss shjvxj lnrjbft bgbvr kdvrrmmx kdqls sgslkt jlzhsl zdl pnhd vsv zgbh dlhx thbdr nmzz bmmb hkrnqnlt qfbh zrzh ghrnz nbdcsj gffbft shpglbr bgfdt jfjr pltnp dbxkrn kxjt hzc rhzgdm hdvkmd ggdbl dsvz ldpr scms rrqtp glc ddkk pgvqd qgqlv dcfj drrzq xncmd nnbn mgczn plhpz gcp zsfzq pbtq kbxcj pmzcrrd sgkmrlt frpvd nvhnjb cmqs zvd frtdmqzb scg xknmp gdnhx sxpv qzmnp ddtkx hbgsgt zppsxq gjmvxg tjlgcb zfcqk lfspxch qhrd qjvf kktsjbh gjjglc gbbs lcggks lsrxkjt gpzch xpqt bjgsll txqrj rgklhlj qcrdn (contains nuts, soy)
+kdvrrmmx bgrrld xxltvc pvmj sdkvkg rzh ggdbl bgfdt vtcj vctgp tbfxdtm qqfr grbmvx zfcqk kxjt txqrj mqbv qjvf zgbh hbgsgt vpfnsz ngxmvj nrdz zfmx lqrl gxpmk mxrs zrzh sgskhk shpglbr nmzz jkpmsf trmkt mtdnt kvghnj kbbmsc phszhl scms mdtvbb kktsjbh zcqrgk qdmr rhzbf ggjslpt qhrd flfsv mgczn frpvd kdqls jsrrk fbbgv hnhrv vkxrzx hgn pnhd dcfp cdr scg fpqqbv dcfj bmmb sxpv thbdr pvhs cnmdp mcjbn nnbn frtdmqzb dzjhj vqh (contains fish, dairy)
+vckt zsfzq vtbx qtgks pltnp bgfdt cdr pbtq jlzhsl txhs xncmd mvxdcbm kktsjbh rrqtp cnmdp kvk zfmx mcjbn hfxss nrktps lnrjbft nbdcsj grbmvx vtcj pgvqd zgbh rmvqb dzjhj gbbs pstspq qzczl tppntfp jgbmk qcrdn rnllc lsrxkjt kbj lthn mgczn gjmvxg mglzsz zstc zh zfcqk rzh kdqls qjvf vzsjd qqfr bgbvr tbfxdtm ddtkx bjgsll dzptlj dqcpjp xnrbnl zmtj ldpr jm phszhl kbbmsc ggjslpt hgn kbxcj vsxcjpp fpqqbv ggdbl mqbv xknmp ghrnz mdtvbb (contains dairy, soy)
+drkgc hjhknn lthn rzh sdkvkg qgqlv nmzz fsdgvh dbxkrn zcqrgk mvxdcbm kdvrrmmx vsxcjpp zfmx gdzkp glc mndpbq xknmp dzjhj mdtvbb ggdbl zh gcp zmtj flfsv vzsjd mcjbn hkrnqnlt ldpr kxjt frtdmqzb kbj drrzq sgskhk rgklhlj kbxcj zdl mqbv bjgsll mlbp ghrnz jsrrk mgczn xpqt nvhnjb kvjr nncl tppntfp tzjvdj dlhx dlpvq htmkhr zjpzr vtbx frpvd dmtfl tjlgcb hnhrv zsfzq kvk lcggks cmqs shjvxj xvqbk grbmvx zstc mtdnt kdqls xncmd phszhl zfcqk lsrxkjt shpglbr bjqnjv bgrrld (contains nuts, sesame)
+dzptlj nncl lfrcfd zsfzq gpbzq nrdz zppsxq jlzhsl gjmvxg ggdbl xvqbk dsvz lfzts hbgsgt grzznd drkgc xknmp rrqtp dcfj gxpmk tppntfp qhrd tbfxdtm gdzkp zfmx fpqqbv kktsjbh mdtvbb qzmnp kvghnj vctgp mlbp tkhkf pvhs dpclg kdqls mgczn xkrm zcqrgk xpgnz zfcqk mcjbn bgrrld rhzgdm qtgks zmtj gpzch rnllc zjpzr zvd vqh bjgsll vzsjd ggjslpt qqfr jfjr jm qjvf pgvqd lnrjbft ghrnz vkxrzx zrzh (contains wheat)
+zjpzr dcfp mndpbq pmzcrrd plhpz thbdr jfjr drrzq gdzkp rzh pfnv gbbs grbmvx qgqlv kdvrrmmx zstc mdtvbb xncmd zsfzq bjgsll mbvpv kbxcj bgrrld vtcj frpvd ggdbl rrqtp nmzz zdl gpn kvjr lsrxkjt vsxcjpp kktsjbh xflfvx dcfj dzjhj mcjbn gjjglc gffbft vkxrzx vpfnsz svkjz gpbzq hbgsgt zcqrgk mqbv rnllc vctgp mgczn vckt mglzsz dlpvq lnrjbft nrdz zrzh gjmvxg trmkt xpgnz sdkvkg kdqls hkrnqnlt fpqqbv grzznd cnmdp jsjx cdr xpqt nbdcsj jlzhsl gcp tppntfp lfspxch xnrbnl frtdmqzb fbbgv (contains peanuts, fish, nuts)
+xflfvx kvk vtbx pmzcrrd dmtfl xkrm qqfr vctgp cdr gdzkp gcp snvzl hnhrv bgbvr dcfp dbxkrn svkjz kxjt mglzsz zstc zfcqk kktsjbh xnrbnl gjjglc plhpz gxpmk scg trmkt pltnp frpvd sgkmrlt kdqls qjvf xknmp jlzhsl lsrxkjt mgczn lfspxch qgqlv nrdz zcqrgk ddkk qdmr nrktps jsrrk fsdgvh pnhd hfxss mdtvbb tjlgcb ggdbl dsvz tjrrm rhzbf zh fgfzb jm rgklhlj dqcpjp ghrnz (contains wheat, sesame, dairy)
+zsfzq kvk tkhkf ddkk ggdbl zrzh lfspxch vkxrzx cnmdp kbj dpclg rnllc mlbp sxpv htmkhr nmzz xfkhp dmtfl vsv tzjvdj zstc gxpmk nncl lfrcfd zcqrgk dcfp bgrrld flfsv shpglbr ggjslpt vtbx ldpr xlzlv vmj jm bgfdt ngxmvj pfnv hjhknn kvghnj nbdcsj jgbmk mdtvbb zppsxq vqh scms zfcqk mgczn bgbvr rmvqb nnbn dcfj vfcppm ghrnz nvhnjb cmqs phszhl kktsjbh pgvqd dzptlj tppntfp pnhd pvmj gpbzq scg qfbh qgqlv snvzl grzznd kdqls (contains fish, sesame)
+nnbn tjrrm frpvd vckt qfbh vfcppm zcqrgk flfsv jsjx ggdbl kvk gjjglc mdtvbb gpn txmjl tbfxdtm ghrnz sxpv dpclg zmtj fsdgvh xknmp dsvz vzsjd zfcqk lfzts pvhs bgfdt jm rhzgdm lthn ddkk phszhl scms kvjr jsrrk thbdr mqbv txqrj pfnv hfxss kktsjbh bgrrld fbbgv rgklhlj qdmr mndpbq grzznd drkgc xlzlv nncl qgqlv shmxg kdqls mgczn (contains nuts)
+thbdr rgklhlj frpvd qcrdn pltnp svkjz ggjslpt shmxg gpn dmtfl vsxcjpp lthn vqh pmzcrrd vfcppm qzczl grzznd fpqqbv ldpr ggdbl ddkk tjrrm vtcj pdxcdlq zjpzr kvjr bmmb gjjglc xnrbnl xxltvc zfmx xpqt vtbx lnrjbft shjvxj xknmp dqcpjp mcjbn dsvz vzsjd mdtvbb mgczn gxpmk hzc kbxcj pbtq qfbh dcfj pvmj lcggks zsfzq hfxss xkrm dzptlj qqfr kdqls zfcqk qgqlv gpzch vckt nrktps mvxdcbm drrzq fbbgv (contains fish, peanuts)
+jsrrk lsrxkjt rjhs vpfnsz zfcqk fbbgv qjvf trmkt mgczn mdtvbb mqhl bjqnjv mvxdcbm tbfxdtm xncmd fpqqbv frpvd pvmj mqbv zjpzr qhrd gjjglc zdl dmtfl zsfzq hgn smspv sgslkt zfmx mcjbn dlpvq pgvqd xflfvx mbvpv dzjhj cmqs bgfdt ghrnz rhzbf hkrnqnlt hzc dqcpjp flfsv qfbh zvd kktsjbh kdqls sgskhk scg (contains soy)
+zfcqk kdqls drkgc fpqqbv nmzz zfmx zrzh grzznd trmkt kbj gdnhx zgbh gdzkp jsjx ggdbl dlpvq jgbmk tjrrm gbbs gpzch bgfdt vfcppm jkpmsf dlhx nncl rjhs tppntfp thbdr lfspxch xncmd sgslkt gpbzq ghrnz phszhl gjjglc dpclg pvmj gxpmk mgczn nrdz mdtvbb sxpv vpfnsz qgqlv zsfzq vckt kvk kdvrrmmx lfrcfd mtdnt rmvqb sgkmrlt kktsjbh txmjl xpqt rhzbf qjvf xkrm lqrl rgklhlj tkhkf qfbh frtdmqzb jfjr qcrdn dcfj vkxrzx (contains sesame)
+hdvkmd dlpvq svkjz glc smspv nrktps ggdbl zgbh pdxcdlq vqh grzznd zfcqk flfsv hnhrv vfcppm zsfzq nbdcsj kbxcj zvd snvzl jlzhsl hfxss shmxg rhzbf xflfvx zrzh ddtkx vsv bmmb tjrrm kktsjbh hbgsgt ldpr nrdz jsrrk rmvqb mndpbq tbxmtm ghrnz phszhl mdtvbb bltrrnl sgkmrlt gdnhx bgrrld xncmd jsjx rgklhlj lnrjbft frpvd cmqs ddkk kdqls dmtfl lfspxch dbxkrn (contains soy, peanuts, fish)
+kbj frpvd fbbgv xlzlv zmtj mdtvbb hbgsgt dbxkrn lfzts txmjl jfjr kktsjbh lcggks nmzz zjpzr mtdnt pgvqd hdvkmd bgrrld zfmx pvmj scms hzc pltnp vpfnsz qfbh jm kvjr xkrm kvk tbfxdtm rmvqb ldpr ggjslpt qqfr hjhknn rhzbf dpclg pvhs gbbs kvghnj tzjvdj xflfvx xnrbnl frtdmqzb dlpvq cmqs gpzch bltrrnl zppsxq fsdgvh dsvz pmzcrrd ggdbl qhrd gpbzq mndpbq fpqqbv pdxcdlq mgczn hgn kdqls svkjz txqrj zsfzq pbtq htmkhr zvd lfrcfd qzmnp dzjhj kdvrrmmx jlzhsl xfkhp dcfp mbvpv jsrrk (contains soy)
+nrdz zfcqk rhzgdm qcrdn lqrl kdqls phszhl snvzl lthn sgkmrlt kxjt scms pgvqd glc gcp smspv sxpv qzmnp vfcppm sgskhk zrzh jgbmk lnrjbft vpfnsz vmj dqcpjp dcfj jsrrk zgbh dmtfl hkrnqnlt xlzlv zfmx txmjl pnhd mbvpv zsfzq mdtvbb fbbgv frpvd hgn bgfdt gxpmk rnllc qjvf vqh shpglbr kktsjbh dzjhj hzc qfbh qqfr rgklhlj hdvkmd gpn nvhnjb thbdr ddtkx kvjr hnhrv gdzkp vctgp ddkk drkgc jsjx mgczn tbxmtm (contains soy, shellfish)
+bgfdt vtbx bjqnjv tjrrm kktsjbh xlzlv vkxrzx vtcj dlpvq kdqls rzh ngxmvj zgbh zvd xflfvx hfxss tppntfp bgrrld zh frpvd zjpzr smspv pmzcrrd mqhl dcfj sdkvkg lfrcfd flfsv mqbv nncl vsxcjpp zsfzq shmxg mcjbn sxpv dcfp grzznd rhzgdm ggdbl jsjx dlhx nvhnjb dbxkrn mtdnt qzmnp jsrrk jgbmk qdmr ldpr dpclg gdnhx mdtvbb dzptlj mlbp nnbn pltnp jm jkpmsf mgczn qjvf tzjvdj rrqtp rnllc zppsxq qtgks thbdr qzczl (contains sesame)
+gdzkp pdxcdlq nvvm plhpz qzmnp dzjhj cdr zppsxq dsvz rmvqb qhrd zh hkrnqnlt xknmp snns lfrcfd gpbzq pstspq kvk nvhnjb hnhrv pnhd xlzlv ldpr gcp dzptlj zsfzq gxpmk kdqls lxtzr rhzgdm nmzz tf mgczn lfzts dmtfl cmqs kbbmsc smspv lfspxch dqcpjp kxjt xxltvc kktsjbh shpglbr frpvd qtgks bgrrld tbfxdtm vfcppm vpfnsz zfcqk ddkk frtdmqzb sgslkt nbdcsj vckt xpqt gpn shmxg vtbx xflfvx mdtvbb zjpzr bjgsll drkgc (contains soy)
+fpqqbv dpclg vctgp mcjbn kxjt dbxkrn kdvrrmmx kbxcj jgbmk qdmr mgczn phszhl kktsjbh jlzhsl zvd pltnp dmtfl pstspq sgskhk mvxdcbm bmmb txmjl mxrs pnhd kdqls lcggks frtdmqzb hgn sgkmrlt smspv qgqlv lfspxch rzh dcfp tjrrm zgbh zfcqk xvqbk tppntfp pbtq gcp qzczl qqfr grzznd vfcppm hjhknn xfkhp ggdbl mqhl kbj zfmx xlzlv xxltvc ddkk rhzgdm gjmvxg qzmnp jsjx vtcj tkhkf vmj nvvm mdtvbb scg shmxg bjqnjv qcrdn frpvd pgvqd zh pvmj drkgc (contains soy)
+grzznd jsrrk zdl kvk zsfzq ddtkx smspv ggdbl nrdz pfnv gpn scms txqrj gcp tzjvdj kvjr rmvqb gjjglc jm kktsjbh xknmp gxpmk tbxmtm dqcpjp fbbgv xkrm mcjbn shmxg hdvkmd mdtvbb kdqls jkpmsf lsrxkjt gdzkp mqhl bjgsll phszhl dlhx sgkmrlt pvhs tkhkf lthn zstc snvzl qcrdn qzmnp fgfzb lnrjbft vtbx bgbvr pstspq ddkk frtdmqzb bgrrld htmkhr qdmr vckt zh zfmx xncmd frpvd zfcqk hjhknn vsxcjpp tbfxdtm kvghnj pgvqd dlpvq (contains soy, wheat)
+fsdgvh nbdcsj lfspxch dzjhj plhpz fgfzb gjmvxg thbdr jfjr ddtkx tkhkf ggdbl rmvqb scg nmzz mdtvbb kdqls qgqlv vkxrzx grzznd zfcqk dlhx frtdmqzb rrqtp zgbh tjrrm rjhs drkgc qzczl phszhl mgczn kktsjbh jm xknmp xfkhp vmj sgkmrlt qtgks xpqt kvk pdxcdlq pnhd mqhl tf hkrnqnlt mbvpv dbxkrn lxtzr kxjt bmmb frpvd snvzl lthn qqfr tbxmtm xflfvx kbxcj gdnhx zmtj cmqs xnrbnl (contains peanuts)
+sxpv bmmb qtgks bltrrnl xpgnz mdtvbb qzczl vtcj zppsxq vkxrzx zsfzq zh gcp cnmdp kbbmsc qdmr kdqls qqfr vzsjd kbxcj xlzlv bgfdt hfxss sgkmrlt mgczn mqbv glc rhzgdm fpqqbv dzptlj rzh dlpvq frpvd hkrnqnlt zfmx gbbs qzmnp flfsv sdkvkg zfcqk qhrd kktsjbh qjvf txhs snns xfkhp (contains shellfish, fish, dairy)
+kbj kbbmsc dsvz mbvpv qgqlv pbtq nnbn frpvd dqcpjp hkrnqnlt zsfzq gjjglc rmvqb fsdgvh drrzq kvjr mlbp gcp ggdbl kdqls mdtvbb vtcj lsrxkjt lxtzr nmzz tbfxdtm vsv snns phszhl xpqt hjhknn kvghnj htmkhr lfzts sgkmrlt mndpbq hgn mgczn jsrrk txqrj tjlgcb jlzhsl zfcqk smspv txhs gbbs dcfp thbdr bjqnjv bgfdt qzmnp bjgsll jsjx (contains soy, shellfish)
+tzjvdj kktsjbh lfspxch bjqnjv frpvd jgbmk jsrrk qtgks vtbx txhs gxpmk zfcqk zrzh zjpzr gjmvxg xfkhp bmmb mvxdcbm rgklhlj ggdbl kdqls mgczn flfsv sdkvkg sxpv vmj mcjbn hgn bgbvr hzc lfzts xknmp nncl svkjz xvqbk kvjr mdtvbb dzptlj scg rmvqb dsvz qjvf tjrrm pmzcrrd mqhl nvvm (contains nuts, dairy)
+txqrj nbdcsj jsrrk qdmr vkxrzx jfjr plhpz vqh mdtvbb rrqtp dqcpjp xflfvx jm bgbvr kdqls lthn htmkhr vsxcjpp qtgks zjpzr sdkvkg frpvd mgczn snvzl frtdmqzb gcp zsfzq zfcqk hzc xncmd dcfj zgbh pdxcdlq xpqt lcggks zmtj hkrnqnlt zfmx qzmnp gbbs snns xkrm kdvrrmmx dzjhj tzjvdj ggdbl sgkmrlt nrdz bgrrld ghrnz mcjbn hnhrv ddtkx xvqbk vtbx (contains fish)
+xxltvc zfcqk kktsjbh dqcpjp gcp glc lcggks nbdcsj tppntfp trmkt snvzl qfbh xknmp gjmvxg ddtkx zppsxq ngxmvj sdkvkg pdxcdlq pstspq qtgks kbj lnrjbft zmtj qdmr bmmb rhzgdm dzptlj jsrrk bjgsll jgbmk mcjbn vqh vpfnsz kbxcj mlbp hfxss tjrrm qhrd hgn rgklhlj nrktps pmzcrrd mndpbq zfmx zvd cdr bgfdt xkrm frtdmqzb bjqnjv bltrrnl mgczn kxjt zsfzq kdqls xnrbnl tjlgcb sxpv nnbn vzsjd shjvxj frpvd rhzbf dzjhj hdvkmd sgkmrlt nmzz dbxkrn gffbft gdzkp fsdgvh vmj mdtvbb vsxcjpp lxtzr (contains fish, wheat, peanuts)
+zsfzq grbmvx pdxcdlq mvxdcbm mndpbq pmzcrrd zjpzr mgczn lfspxch kdqls gpn mdtvbb hbgsgt nncl trmkt mcjbn vsv ldpr drrzq rrqtp vsxcjpp grzznd tbfxdtm qdmr zfmx txqrj xkrm nrdz qhrd gjjglc jlzhsl bltrrnl rjhs zrzh xlzlv cdr dzjhj flfsv ggjslpt kxjt pgvqd gdzkp zdl gpzch shpglbr ddkk vtbx zmtj vpfnsz rzh zvd gdnhx cnmdp zcqrgk kbbmsc hjhknn ghrnz kvjr hdvkmd zppsxq tjrrm zh zfcqk xxltvc vckt rhzgdm pvmj xpgnz svkjz frpvd thbdr gbbs hnhrv htmkhr dlhx pnhd sxpv kktsjbh tf gcp pfnv mxrs lsrxkjt gjmvxg (contains shellfish)
+ddtkx gpn mbvpv frpvd gdnhx svkjz grbmvx mdtvbb kktsjbh vsv vckt vsxcjpp zsfzq rrqtp bgbvr sxpv fpqqbv dzptlj tkhkf qzczl txmjl frtdmqzb zfcqk dqcpjp tjlgcb tppntfp ghrnz pdxcdlq xvqbk kdqls zdl dpclg qhrd zh xxltvc gpbzq mtdnt mcjbn thbdr drkgc nvhnjb grzznd hzc sgskhk ggdbl hgn hkrnqnlt jgbmk shpglbr jsrrk bmmb vtcj kvghnj (contains wheat, dairy, nuts)
+dlpvq fbbgv lthn gpn thbdr pmzcrrd hdvkmd qhrd kbj sdkvkg kvjr mqhl hgn ggdbl bltrrnl mxrs pbtq tjrrm xknmp zjpzr rnllc tf zmtj rrqtp mvxdcbm qqfr htmkhr zfcqk qjvf zcqrgk pstspq ldpr shmxg xxltvc bgfdt jsrrk gxpmk tbfxdtm txqrj bmmb ddkk mcjbn frpvd bgbvr dqcpjp nncl jkpmsf kdqls pvhs zsfzq sgskhk jlzhsl mdtvbb rhzgdm xflfvx glc nmzz shpglbr pgvqd sgkmrlt kktsjbh xkrm rhzbf tppntfp gbbs gpzch gdzkp zh cnmdp (contains wheat)
+vsv xpqt gjjglc grbmvx mqhl qgqlv nmzz txqrj mbvpv zrzh jsjx vmj mgczn shmxg qqfr zcqrgk drkgc mxrs gpn fbbgv mdtvbb jm ggdbl jkpmsf pstspq lfzts kvjr vfcppm sgkmrlt tzjvdj bjgsll bgrrld lcggks kbbmsc zsfzq kktsjbh vkxrzx dzjhj snns dbxkrn pgvqd tf frpvd vtcj zjpzr hjhknn zstc zfcqk kxjt trmkt nncl ggjslpt xkrm gdzkp grzznd qfbh cnmdp fsdgvh bmmb tbxmtm qdmr xfkhp qhrd (contains shellfish, nuts, dairy)
+pltnp zfcqk tbfxdtm jsrrk zvd kktsjbh fbbgv pdxcdlq ggdbl zjpzr bmmb snvzl lnrjbft kbxcj mdtvbb pstspq scg scms gpn gpbzq ghrnz xnrbnl kvghnj jsjx dqcpjp grzznd tzjvdj hdvkmd mglzsz sdkvkg nrktps pvmj shpglbr xvqbk zmtj kxjt rhzgdm kbbmsc bltrrnl qtgks mgczn mqhl sxpv qgqlv xxltvc frpvd zsfzq xfkhp xncmd nvhnjb shmxg qzczl flfsv zdl pmzcrrd bgfdt lqrl (contains dairy)
+pstspq bgbvr rjhs qgqlv tjrrm plhpz qcrdn ggdbl tjlgcb hjhknn zgbh zfmx qjvf vctgp vzsjd pltnp xkrm gpzch gbbs drrzq vtbx xpqt lqrl mgczn shmxg nnbn gxpmk pvhs qhrd zcqrgk pmzcrrd qtgks qzmnp kbj trmkt xfkhp zsfzq nncl drkgc svkjz qzczl tkhkf htmkhr shpglbr vmj vsxcjpp jsrrk kdvrrmmx nvvm ghrnz mxrs kdqls mqhl bmmb xncmd vkxrzx fpqqbv gcp lthn tbxmtm hnhrv sgslkt hbgsgt lxtzr kktsjbh gjmvxg rnllc jm dpclg gffbft tf zmtj frpvd ldpr smspv tppntfp mdtvbb lfzts hgn dzptlj vpfnsz lcggks qfbh kvk (contains nuts)
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+tbxmtm jkpmsf pvhs jlzhsl xpqt kvghnj xlzlv kxjt zrzh qjvf rmvqb pnhd grzznd txhs scms jsjx mdtvbb shmxg phszhl tkhkf ggjslpt lfspxch trmkt zmtj zsfzq kdqls mxrs qhrd dsvz nvhnjb mbvpv mgczn dmtfl qqfr jsrrk vzsjd pbtq htmkhr hjhknn snvzl scg xvqbk glc bltrrnl mvxdcbm rgklhlj ggdbl pmzcrrd xkrm lxtzr tjrrm sdkvkg ngxmvj bjgsll nnbn plhpz hnhrv qfbh hkrnqnlt pvmj txmjl hfxss fsdgvh frpvd nncl nbdcsj jm gpbzq xflfvx ddkk svkjz hzc lfrcfd kktsjbh hdvkmd tf (contains wheat, nuts, peanuts)
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2020/data/day22.expected

@@ -0,0 +1,2 @@
+32598
+???

2020/data/day22.input

@@ -0,0 +1,53 @@
+Player 1:
+44
+24
+36
+6
+27
+46
+33
+45
+47
+41
+15
+23
+40
+38
+43
+42
+25
+5
+30
+35
+34
+13
+29
+1
+50
+
+Player 2:
+32
+28
+4
+12
+9
+21
+48
+18
+31
+39
+20
+16
+3
+37
+49
+7
+17
+22
+8
+26
+2
+14
+11
+19
+10

2020/data/day23.expected

@@ -0,0 +1,2 @@
+32658947
+???

2020/data/day23.input

@@ -0,0 +1 @@
+598162734

2020/data/day24.expected

@@ -0,0 +1,2 @@
+512
+4120

2020/data/day24.input

@@ -0,0 +1,558 @@
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2020/data/day6.expected

@@ -0,0 +1,2 @@
+6683
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2020/data/day7.expected

@@ -0,0 +1,2 @@
+222
+13264

2020/data/day7.input

@@ -0,0 +1,594 @@
+wavy turquoise bags contain no other bags.
+vibrant beige bags contain 4 drab lime bags, 1 muted violet bag, 5 drab plum bags, 5 shiny silver bags.
+plaid green bags contain 2 pale olive bags, 1 dark chartreuse bag, 1 vibrant olive bag, 1 pale bronze bag.
+plaid fuchsia bags contain 5 dull teal bags, 4 dark beige bags, 4 shiny teal bags, 5 vibrant orange bags.
+vibrant coral bags contain 1 dotted blue bag.
+drab tan bags contain 5 drab maroon bags, 5 bright silver bags, 2 dim tan bags.
+light gray bags contain 3 dotted crimson bags, 3 dull chartreuse bags, 1 light maroon bag.
+mirrored tomato bags contain 5 clear orange bags, 2 striped violet bags.
+pale brown bags contain 1 faded fuchsia bag, 2 wavy orange bags, 1 mirrored coral bag, 5 dotted brown bags.
+muted maroon bags contain 5 drab gold bags, 2 vibrant aqua bags, 5 bright crimson bags.
+light purple bags contain 4 dim teal bags, 3 vibrant bronze bags, 2 dark chartreuse bags, 1 shiny green bag.
+muted white bags contain 3 wavy lime bags, 5 muted lavender bags, 1 pale salmon bag, 1 dotted red bag.
+plaid yellow bags contain 2 plaid gold bags, 2 faded lavender bags, 2 faded fuchsia bags, 3 faded gold bags.
+plaid white bags contain 1 dull cyan bag, 4 pale cyan bags, 1 clear red bag, 5 vibrant orange bags.
+wavy teal bags contain 5 wavy violet bags, 5 shiny silver bags.
+pale crimson bags contain 1 wavy white bag, 5 clear tomato bags, 2 dark plum bags, 3 bright turquoise bags.
+posh green bags contain 2 muted black bags, 3 light magenta bags.
+striped maroon bags contain 1 bright green bag, 4 dark coral bags.
+pale red bags contain 5 faded turquoise bags, 4 plaid crimson bags, 5 dark aqua bags.
+vibrant chartreuse bags contain 2 pale red bags.
+faded fuchsia bags contain no other bags.
+pale olive bags contain 3 striped blue bags, 5 faded magenta bags, 3 light white bags.
+striped tomato bags contain 4 faded plum bags.
+shiny cyan bags contain 1 clear tomato bag, 4 clear magenta bags, 3 plaid teal bags, 5 dotted indigo bags.
+plaid silver bags contain 3 dotted beige bags.
+posh teal bags contain 3 faded black bags, 2 vibrant lavender bags, 5 light lavender bags, 5 faded lime bags.
+clear gray bags contain 5 pale black bags, 2 dull salmon bags.
+bright white bags contain 2 shiny olive bags, 5 dim brown bags, 1 dull crimson bag.
+striped gold bags contain 3 mirrored yellow bags, 1 posh brown bag, 5 clear cyan bags, 3 striped tan bags.
+light black bags contain 2 light lavender bags, 2 dotted bronze bags.
+vibrant orange bags contain 3 posh plum bags, 5 light tan bags, 5 dim gold bags, 4 vibrant aqua bags.
+dark chartreuse bags contain 3 striped purple bags, 2 dull beige bags, 5 wavy brown bags.
+mirrored magenta bags contain 4 drab purple bags, 4 dotted brown bags, 2 light fuchsia bags.
+striped magenta bags contain 1 drab gray bag, 1 wavy yellow bag, 5 drab plum bags.
+dotted teal bags contain 4 pale indigo bags.
+plaid red bags contain 4 clear fuchsia bags, 2 vibrant brown bags.
+dotted green bags contain 2 striped teal bags, 3 muted bronze bags, 4 light red bags.
+vibrant purple bags contain 2 drab plum bags, 4 dim beige bags, 4 drab aqua bags.
+light indigo bags contain 1 dotted plum bag.
+wavy green bags contain 1 shiny aqua bag, 2 dark lavender bags.
+faded gray bags contain 2 plaid green bags.
+dull purple bags contain 4 dull salmon bags, 1 plaid chartreuse bag, 1 dull tan bag, 4 pale green bags.
+posh yellow bags contain 2 dim teal bags.
+pale orange bags contain 4 mirrored red bags, 2 dotted chartreuse bags, 2 light yellow bags, 3 posh red bags.
+dark tomato bags contain 1 light magenta bag, 4 light black bags, 2 vibrant aqua bags.
+light cyan bags contain 1 shiny red bag, 2 plaid green bags, 4 clear cyan bags, 5 wavy tomato bags.
+pale lavender bags contain 2 pale gray bags, 3 dotted violet bags, 2 striped lavender bags, 5 drab magenta bags.
+dim coral bags contain 4 bright black bags, 1 shiny tan bag, 1 faded chartreuse bag, 1 bright silver bag.
+muted purple bags contain 2 wavy yellow bags.
+pale chartreuse bags contain 3 dotted red bags, 4 striped salmon bags, 4 pale brown bags, 2 dull yellow bags.
+light red bags contain 3 bright crimson bags.
+bright green bags contain 2 plaid fuchsia bags, 5 light lavender bags, 3 dotted cyan bags.
+plaid purple bags contain 4 wavy tan bags, 5 plaid teal bags, 5 dull teal bags, 1 shiny gold bag.
+vibrant gray bags contain 1 dull beige bag.
+dotted orange bags contain 2 light green bags, 5 dotted brown bags, 4 pale blue bags.
+dull black bags contain 5 pale silver bags, 4 pale lavender bags.
+dull blue bags contain 1 striped turquoise bag, 2 dotted red bags, 5 dark white bags.
+clear turquoise bags contain 3 dim beige bags, 5 faded brown bags.
+pale magenta bags contain 1 dark violet bag, 1 dark yellow bag, 2 wavy aqua bags, 5 light silver bags.
+bright teal bags contain 1 dark beige bag, 1 pale gold bag, 1 dim magenta bag.
+pale plum bags contain 3 vibrant yellow bags, 1 dotted beige bag.
+dull lime bags contain 1 faded coral bag, 4 plaid gold bags, 3 drab white bags.
+vibrant olive bags contain 1 plaid teal bag, 1 faded tan bag.
+muted magenta bags contain 5 clear gold bags.
+dull olive bags contain 4 clear cyan bags, 1 dotted tan bag.
+dim orange bags contain 3 drab lime bags, 1 drab plum bag, 2 vibrant tomato bags, 1 plaid blue bag.
+wavy crimson bags contain 2 plaid gold bags, 3 light olive bags, 4 vibrant fuchsia bags.
+clear tan bags contain 3 dotted beige bags, 2 dark purple bags.
+plaid bronze bags contain 1 mirrored violet bag.
+muted brown bags contain 4 dotted indigo bags, 5 dull crimson bags.
+dull fuchsia bags contain 2 dotted gold bags, 2 striped violet bags, 1 clear lime bag, 3 shiny fuchsia bags.
+mirrored gold bags contain 2 mirrored purple bags, 4 plaid aqua bags.
+vibrant turquoise bags contain 1 light maroon bag, 3 dim teal bags, 1 dull brown bag.
+shiny green bags contain 2 plaid orange bags.
+dark crimson bags contain 1 striped purple bag, 4 vibrant salmon bags.
+bright gray bags contain 4 plaid blue bags, 1 faded lime bag, 4 pale salmon bags, 3 bright bronze bags.
+wavy salmon bags contain 1 wavy coral bag, 3 bright blue bags.
+faded blue bags contain 3 muted fuchsia bags, 1 plaid lavender bag, 3 posh brown bags.
+posh tomato bags contain 4 dim gold bags, 2 shiny gold bags.
+striped yellow bags contain 3 vibrant turquoise bags, 3 dim salmon bags, 4 vibrant yellow bags, 2 faded beige bags.
+light beige bags contain 5 striped purple bags, 3 muted gold bags.
+wavy indigo bags contain 1 muted chartreuse bag, 2 wavy purple bags, 2 mirrored coral bags, 4 muted teal bags.
+striped tan bags contain 4 light fuchsia bags, 2 dim chartreuse bags, 3 vibrant black bags, 1 muted black bag.
+pale fuchsia bags contain 5 vibrant aqua bags, 5 drab purple bags, 5 shiny olive bags, 5 drab indigo bags.
+pale cyan bags contain 5 dull teal bags.
+dull chartreuse bags contain 5 wavy brown bags.
+bright coral bags contain 3 clear orange bags, 3 shiny brown bags, 4 pale teal bags.
+light magenta bags contain 3 light white bags, 1 clear indigo bag, 3 vibrant salmon bags, 3 dark crimson bags.
+dull bronze bags contain 5 dotted gold bags, 4 dark olive bags, 3 vibrant magenta bags.
+light lime bags contain 4 vibrant cyan bags.
+muted aqua bags contain 3 dotted red bags, 2 wavy blue bags, 3 vibrant orange bags.
+light violet bags contain 3 light green bags.
+dotted red bags contain 1 muted teal bag, 4 striped tan bags, 3 wavy teal bags.
+pale purple bags contain 4 dotted cyan bags, 1 dim magenta bag.
+dim beige bags contain 5 dotted yellow bags, 4 faded magenta bags, 1 muted beige bag, 2 pale bronze bags.
+light bronze bags contain 5 faded bronze bags, 2 drab bronze bags, 5 dark gold bags, 2 light purple bags.
+wavy violet bags contain 5 light white bags, 3 light tan bags.
+vibrant aqua bags contain 3 wavy turquoise bags, 4 dull beige bags.
+pale bronze bags contain 5 light lavender bags, 4 dull beige bags, 3 bright crimson bags.
+bright salmon bags contain 5 mirrored bronze bags, 5 dull orange bags, 2 shiny salmon bags.
+muted blue bags contain 3 shiny yellow bags, 5 light yellow bags, 5 vibrant gold bags, 2 dotted coral bags.
+dotted silver bags contain 1 plaid fuchsia bag, 5 light beige bags, 4 drab lime bags.
+mirrored black bags contain 2 dull salmon bags.
+bright black bags contain 4 faded magenta bags.
+bright beige bags contain 2 mirrored salmon bags.
+bright indigo bags contain 4 clear brown bags, 3 bright green bags.
+mirrored lavender bags contain 3 shiny tan bags, 4 dark purple bags, 2 striped tan bags.
+light aqua bags contain 2 light magenta bags, 5 vibrant tan bags, 5 drab plum bags, 1 plaid tomato bag.
+mirrored maroon bags contain 4 vibrant tomato bags.
+posh turquoise bags contain 1 striped white bag, 3 dim lavender bags, 3 posh teal bags, 2 mirrored salmon bags.
+shiny gray bags contain 1 vibrant beige bag, 3 light tan bags, 4 wavy teal bags.
+wavy black bags contain 4 dark tomato bags, 3 dim gold bags, 4 dark beige bags.
+drab silver bags contain 2 light green bags, 3 light gold bags, 4 drab plum bags, 1 dotted yellow bag.
+pale violet bags contain 1 dull beige bag, 2 shiny teal bags, 1 light lavender bag, 3 mirrored red bags.
+dark blue bags contain 1 dotted indigo bag, 1 clear tomato bag.
+dull teal bags contain 5 vibrant salmon bags, 3 vibrant aqua bags, 5 wavy tan bags, 5 striped purple bags.
+faded tomato bags contain 2 shiny chartreuse bags, 4 clear orange bags, 5 bright orange bags.
+mirrored red bags contain 5 muted beige bags, 2 faded white bags.
+mirrored lime bags contain 4 posh crimson bags, 5 pale turquoise bags, 3 wavy blue bags.
+mirrored crimson bags contain 1 faded white bag, 2 dark crimson bags, 3 striped cyan bags.
+light teal bags contain 3 clear indigo bags, 1 wavy tan bag, 4 dim gold bags.
+wavy chartreuse bags contain 5 wavy plum bags, 2 shiny salmon bags, 3 clear olive bags.
+shiny black bags contain 2 drab aqua bags, 4 dull brown bags, 5 wavy silver bags, 1 vibrant brown bag.
+bright violet bags contain 2 striped magenta bags, 4 vibrant gray bags.
+muted tomato bags contain 1 drab turquoise bag.
+muted teal bags contain 3 dotted blue bags.
+dim cyan bags contain 3 dotted blue bags, 1 vibrant coral bag.
+striped fuchsia bags contain 1 shiny gold bag, 5 dark beige bags, 5 mirrored indigo bags.
+clear bronze bags contain 3 striped orange bags, 2 vibrant tomato bags.
+vibrant lavender bags contain 2 muted beige bags, 4 shiny teal bags, 4 dull beige bags.
+light olive bags contain 5 shiny yellow bags, 1 vibrant cyan bag.
+shiny fuchsia bags contain 4 dim brown bags, 2 dull chartreuse bags.
+plaid turquoise bags contain 3 bright green bags, 4 light fuchsia bags, 2 light lavender bags.
+shiny brown bags contain 5 mirrored plum bags.
+pale white bags contain 4 dull magenta bags, 1 posh purple bag, 4 pale olive bags, 4 wavy olive bags.
+pale yellow bags contain 1 bright blue bag.
+dark salmon bags contain 3 wavy turquoise bags, 1 dotted plum bag, 3 faded white bags, 5 dim tan bags.
+shiny crimson bags contain 5 faded coral bags.
+pale green bags contain 2 posh beige bags, 5 dark silver bags.
+dim gray bags contain 4 dull cyan bags, 2 muted salmon bags, 4 mirrored tan bags, 1 bright violet bag.
+dim blue bags contain 4 light orange bags, 4 wavy beige bags.
+mirrored cyan bags contain 3 pale cyan bags.
+dark aqua bags contain 2 striped blue bags, 5 light white bags, 4 drab gray bags.
+wavy tan bags contain no other bags.
+light tan bags contain 1 clear aqua bag.
+light silver bags contain 1 light green bag, 2 pale bronze bags, 1 bright crimson bag, 1 vibrant aqua bag.
+plaid tan bags contain 5 posh silver bags, 1 shiny beige bag.
+shiny white bags contain 1 pale olive bag.
+dotted brown bags contain 1 bright silver bag, 5 light tan bags, 4 light coral bags.
+shiny bronze bags contain 2 vibrant plum bags, 2 wavy teal bags, 1 bright red bag, 5 clear tomato bags.
+striped violet bags contain 5 vibrant gray bags, 3 dark maroon bags, 4 dotted fuchsia bags, 4 plaid purple bags.
+dull plum bags contain 4 dark gray bags, 1 wavy aqua bag, 2 muted aqua bags, 5 striped crimson bags.
+posh blue bags contain 1 dotted bronze bag, 5 muted indigo bags, 2 light tan bags.
+posh tan bags contain 4 shiny gold bags, 3 drab maroon bags.
+striped aqua bags contain 4 muted bronze bags, 5 bright blue bags, 1 wavy tan bag.
+shiny silver bags contain 1 light green bag.
+dark white bags contain 4 drab purple bags.
+dull green bags contain 5 wavy bronze bags, 5 faded white bags.
+clear chartreuse bags contain 3 dark gray bags.
+posh coral bags contain 2 shiny lime bags, 4 light blue bags, 3 muted bronze bags.
+faded magenta bags contain 1 dull maroon bag, 4 shiny teal bags, 1 plaid teal bag.
+drab brown bags contain 1 drab violet bag.
+pale salmon bags contain 4 plaid gray bags, 2 wavy violet bags.
+mirrored aqua bags contain 1 faded turquoise bag, 5 dull aqua bags.
+striped gray bags contain 5 dark maroon bags, 3 shiny plum bags.
+mirrored salmon bags contain 4 clear cyan bags, 2 vibrant olive bags, 2 striped silver bags, 3 muted lavender bags.
+wavy purple bags contain 1 shiny beige bag.
+plaid indigo bags contain 1 plaid plum bag.
+plaid gray bags contain 5 pale blue bags, 3 shiny gold bags.
+bright yellow bags contain 2 drab bronze bags, 3 drab teal bags.
+drab red bags contain 4 drab indigo bags, 1 mirrored blue bag, 2 dull aqua bags, 4 light magenta bags.
+dull white bags contain 2 muted black bags, 1 dim beige bag, 1 dark beige bag.
+clear silver bags contain 5 muted bronze bags, 1 muted tan bag, 3 light aqua bags, 1 wavy fuchsia bag.
+dark black bags contain 2 pale fuchsia bags, 5 pale brown bags, 5 drab black bags.
+mirrored silver bags contain 4 drab plum bags, 3 shiny white bags, 5 muted crimson bags, 5 dull aqua bags.
+dim tomato bags contain 3 drab red bags, 1 drab lime bag, 4 striped gray bags.
+faded bronze bags contain 5 clear indigo bags, 2 dotted blue bags.
+striped crimson bags contain 1 plaid tomato bag, 2 dull yellow bags, 3 plaid purple bags.
+wavy olive bags contain 4 mirrored red bags, 4 drab indigo bags.
+dotted turquoise bags contain 2 mirrored lavender bags, 4 light maroon bags, 2 pale teal bags, 1 mirrored crimson bag.
+muted violet bags contain 5 shiny olive bags.
+bright orange bags contain 4 pale tan bags, 1 striped fuchsia bag, 5 shiny olive bags.
+striped turquoise bags contain 1 posh salmon bag, 5 shiny indigo bags, 4 wavy violet bags.
+dull indigo bags contain 3 plaid plum bags, 4 faded plum bags, 3 dull violet bags.
+posh black bags contain 4 clear brown bags, 4 vibrant cyan bags, 1 light white bag.
+shiny orange bags contain 5 striped purple bags, 3 muted beige bags.
+striped plum bags contain 5 dull salmon bags, 3 dull orange bags, 1 clear lime bag, 3 mirrored indigo bags.
+clear white bags contain 4 wavy crimson bags, 3 plaid magenta bags.
+pale tan bags contain 5 muted indigo bags.
+dark red bags contain 3 bright magenta bags, 1 muted salmon bag, 4 vibrant gray bags, 5 clear green bags.
+dark yellow bags contain 3 dim teal bags.
+clear aqua bags contain no other bags.
+vibrant white bags contain 2 drab yellow bags, 4 vibrant aqua bags, 2 plaid maroon bags.
+posh lime bags contain 5 vibrant black bags.
+clear teal bags contain 1 shiny olive bag, 5 bright aqua bags, 4 bright violet bags.
+dotted indigo bags contain 2 muted fuchsia bags, 3 mirrored gray bags.
+posh olive bags contain 5 clear maroon bags, 2 dim teal bags, 2 drab plum bags, 4 shiny olive bags.
+dark coral bags contain 4 clear red bags.
+dark olive bags contain 4 vibrant black bags.
+faded olive bags contain 2 bright gray bags, 5 dull white bags.
+dotted purple bags contain 1 faded brown bag, 5 dark purple bags.
+faded plum bags contain 2 pale brown bags, 4 dark aqua bags.
+bright plum bags contain 2 vibrant brown bags, 1 bright black bag, 1 dotted gold bag.
+faded lavender bags contain 4 clear violet bags, 4 striped purple bags.
+faded silver bags contain 4 dotted blue bags, 2 light purple bags, 1 bright chartreuse bag, 3 striped white bags.
+bright cyan bags contain 5 dotted lime bags, 5 shiny gray bags, 1 faded orange bag, 5 clear indigo bags.
+plaid tomato bags contain 1 clear violet bag, 3 muted beige bags.
+wavy aqua bags contain 1 light tan bag.
+dotted gold bags contain 5 mirrored indigo bags, 5 dull tan bags.
+faded teal bags contain 5 plaid black bags, 2 clear turquoise bags.
+striped white bags contain 2 dull aqua bags, 1 mirrored violet bag, 4 vibrant salmon bags.
+mirrored violet bags contain 2 vibrant salmon bags, 1 clear brown bag.
+drab magenta bags contain 3 muted lime bags, 2 bright orange bags.
+pale teal bags contain 3 light black bags, 4 dim black bags, 2 muted gray bags.
+dark teal bags contain 5 dark tomato bags, 4 dull teal bags, 5 striped white bags, 5 plaid aqua bags.
+dim purple bags contain 5 wavy magenta bags, 2 muted fuchsia bags, 5 mirrored bronze bags.
+clear violet bags contain 5 wavy turquoise bags, 5 light black bags, 1 mirrored indigo bag, 2 faded white bags.
+dim indigo bags contain 3 dull teal bags.
+dotted olive bags contain 4 dark red bags, 2 mirrored beige bags.
+posh aqua bags contain 1 posh blue bag, 4 dotted black bags, 4 pale tomato bags.
+clear orange bags contain 1 striped magenta bag, 3 wavy aqua bags.
+plaid cyan bags contain 5 vibrant lavender bags, 2 light gold bags, 2 wavy orange bags, 4 bright turquoise bags.
+mirrored green bags contain 4 plaid fuchsia bags.
+dark silver bags contain 3 light coral bags.
+wavy silver bags contain 5 plaid yellow bags, 5 pale orange bags.
+plaid crimson bags contain 4 vibrant salmon bags, 4 vibrant blue bags, 1 light teal bag, 3 bright crimson bags.
+mirrored bronze bags contain 1 dark coral bag, 2 clear orange bags, 4 plaid orange bags, 2 vibrant gray bags.
+faded aqua bags contain 5 light white bags, 3 drab gray bags, 1 plaid beige bag.
+drab yellow bags contain 1 dotted black bag, 2 dim silver bags.
+dark beige bags contain 4 wavy tan bags, 5 light lavender bags, 5 dotted bronze bags.
+clear green bags contain 5 shiny purple bags, 5 light teal bags, 5 pale bronze bags.
+dotted lavender bags contain 4 wavy orange bags, 4 dull chartreuse bags.
+bright chartreuse bags contain 2 dotted cyan bags, 3 pale olive bags, 4 vibrant salmon bags.
+faded red bags contain 3 dull cyan bags, 3 drab indigo bags, 5 light green bags, 4 dark lime bags.
+plaid brown bags contain 2 dotted salmon bags, 3 striped silver bags, 1 light blue bag.
+dull beige bags contain no other bags.
+dim violet bags contain 3 striped lavender bags, 5 dotted coral bags, 1 clear blue bag.
+vibrant red bags contain 1 dark coral bag, 3 light gold bags.
+faded violet bags contain 3 pale gold bags.
+muted salmon bags contain 3 wavy turquoise bags.
+vibrant gold bags contain 2 shiny teal bags.
+dull coral bags contain 3 posh gold bags, 4 wavy olive bags.
+mirrored fuchsia bags contain 5 wavy lime bags.
+dotted plum bags contain 3 bright bronze bags, 3 light coral bags, 5 mirrored orange bags, 4 plaid gray bags.
+dim fuchsia bags contain 4 light indigo bags, 5 faded red bags, 5 plaid orange bags.
+dull brown bags contain 2 dim gold bags.
+faded indigo bags contain 3 wavy olive bags, 1 shiny green bag.
+pale coral bags contain 5 faded crimson bags.
+light orange bags contain 3 bright gold bags, 1 striped magenta bag, 4 plaid lavender bags, 5 light green bags.
+clear salmon bags contain 3 dim tan bags, 1 light lavender bag.
+vibrant indigo bags contain 1 dark beige bag, 2 posh purple bags.
+clear cyan bags contain 5 posh brown bags.
+dull red bags contain 3 drab gold bags, 3 dark aqua bags, 5 dim maroon bags.
+dim red bags contain 5 faded black bags, 2 shiny lime bags.
+dark indigo bags contain 5 dull green bags, 2 striped white bags, 3 dotted indigo bags.
+pale tomato bags contain 4 vibrant gold bags.
+dim turquoise bags contain 4 plaid tomato bags, 2 plaid gray bags, 4 shiny violet bags.
+dotted yellow bags contain 5 dotted plum bags, 3 muted beige bags, 4 light fuchsia bags, 1 wavy olive bag.
+dim gold bags contain 3 muted beige bags.
+mirrored orange bags contain 5 drab maroon bags, 4 dull teal bags, 1 faded tan bag, 2 dark aqua bags.
+light chartreuse bags contain 4 vibrant gold bags, 5 dark silver bags, 3 pale purple bags.
+posh silver bags contain 5 dotted silver bags, 4 dark chartreuse bags, 1 striped magenta bag.
+vibrant black bags contain 5 muted red bags, 1 pale purple bag, 2 clear indigo bags, 4 faded magenta bags.
+faded maroon bags contain 2 clear cyan bags, 4 wavy orange bags, 2 shiny blue bags.
+bright lavender bags contain 5 dull chartreuse bags.
+drab black bags contain 1 posh plum bag, 5 mirrored maroon bags, 3 dark yellow bags.
+drab gray bags contain 4 clear violet bags, 3 mirrored red bags, 1 light silver bag, 1 wavy turquoise bag.
+faded turquoise bags contain 2 light tan bags, 5 faded coral bags.
+dark purple bags contain 5 pale cyan bags.
+muted beige bags contain no other bags.
+dull maroon bags contain 2 wavy turquoise bags, 5 light lavender bags, 5 muted beige bags.
+bright tomato bags contain 3 plaid blue bags.
+dim crimson bags contain 3 drab turquoise bags, 2 faded crimson bags, 2 plaid chartreuse bags.
+clear magenta bags contain 3 light green bags, 5 dotted red bags, 1 mirrored indigo bag, 1 dim brown bag.
+dotted aqua bags contain 5 clear crimson bags, 1 wavy orange bag.
+dark fuchsia bags contain 1 dull maroon bag.
+faded salmon bags contain 2 wavy yellow bags, 3 faded plum bags.
+muted chartreuse bags contain 5 light gold bags, 1 bright bronze bag, 5 light beige bags, 4 light black bags.
+muted lavender bags contain 3 mirrored coral bags.
+drab fuchsia bags contain 3 plaid brown bags.
+dim plum bags contain 4 vibrant brown bags, 3 plaid beige bags, 3 dark crimson bags, 4 bright teal bags.
+shiny magenta bags contain 1 muted black bag.
+wavy magenta bags contain 2 faded lavender bags, 1 bright gray bag, 3 pale olive bags.
+mirrored plum bags contain 5 muted maroon bags.
+wavy plum bags contain 5 dark crimson bags.
+striped lavender bags contain 4 vibrant yellow bags, 2 vibrant lavender bags.
+faded beige bags contain 4 pale indigo bags, 5 vibrant tomato bags.
+shiny gold bags contain 4 drab gray bags, 4 light coral bags.
+dotted beige bags contain 5 drab maroon bags, 1 shiny gold bag, 3 light lavender bags.
+dull yellow bags contain 3 pale bronze bags, 1 bright silver bag.
+muted green bags contain 3 faded red bags, 2 plaid green bags, 3 plaid black bags, 1 light yellow bag.
+vibrant silver bags contain 5 striped purple bags, 3 shiny olive bags, 4 vibrant lavender bags.
+dim green bags contain 4 vibrant gold bags, 5 muted maroon bags, 1 plaid aqua bag, 2 posh silver bags.
+faded lime bags contain 2 shiny white bags.
+bright bronze bags contain 5 muted gold bags, 3 light black bags.
+shiny yellow bags contain 5 light green bags, 5 wavy brown bags.
+dark cyan bags contain 5 light teal bags, 1 posh yellow bag, 3 shiny aqua bags.
+striped blue bags contain 1 muted gold bag, 4 dull maroon bags, 3 clear red bags, 5 faded fuchsia bags.
+dim tan bags contain 1 bright tan bag.
+shiny red bags contain 3 plaid turquoise bags, 1 dotted cyan bag, 1 pale fuchsia bag.
+vibrant brown bags contain 5 dim magenta bags, 4 drab white bags.
+dull turquoise bags contain 2 bright orange bags, 4 bright gray bags, 3 dim chartreuse bags.
+dark bronze bags contain 3 striped green bags, 2 wavy tan bags, 2 faded lime bags, 3 bright olive bags.
+striped green bags contain 4 light black bags, 2 drab bronze bags, 4 dotted bronze bags, 3 plaid orange bags.
+dark brown bags contain 5 drab indigo bags, 3 plaid white bags, 1 pale lime bag.
+dotted black bags contain 4 dull beige bags, 4 drab lavender bags.
+striped cyan bags contain 2 vibrant orange bags, 3 clear violet bags, 2 mirrored gray bags.
+clear tomato bags contain 5 shiny gold bags, 1 dim chartreuse bag, 4 dark crimson bags, 5 shiny white bags.
+light white bags contain 3 pale violet bags, 4 drab plum bags, 4 drab gray bags, 1 vibrant lavender bag.
+plaid black bags contain 4 vibrant orange bags, 5 bright gray bags.
+drab salmon bags contain 4 faded coral bags.
+shiny maroon bags contain 3 pale black bags, 2 bright magenta bags.
+striped black bags contain 1 plaid fuchsia bag, 4 plaid black bags, 1 mirrored beige bag.
+muted bronze bags contain 5 faded red bags, 5 plaid green bags.
+bright tan bags contain 1 wavy yellow bag, 5 light fuchsia bags, 5 plaid teal bags.
+plaid gold bags contain 5 faded black bags, 1 vibrant black bag.
+wavy tomato bags contain 5 plaid fuchsia bags, 2 mirrored violet bags, 3 dark yellow bags, 1 bright gold bag.
+faded tan bags contain 5 vibrant salmon bags, 5 plaid teal bags, 4 clear aqua bags, 2 pale violet bags.
+light crimson bags contain 3 mirrored tomato bags, 5 plaid green bags.
+wavy bronze bags contain 1 light teal bag.
+faded yellow bags contain 3 clear beige bags, 4 bright bronze bags.
+muted gold bags contain 5 plaid teal bags, 2 faded fuchsia bags, 4 bright crimson bags.
+shiny tan bags contain 5 dark salmon bags, 5 light red bags.
+bright gold bags contain 2 faded chartreuse bags, 2 dim green bags, 3 striped cyan bags.
+pale turquoise bags contain 1 pale tan bag, 5 dark violet bags.
+wavy orange bags contain 5 plaid teal bags, 1 pale bronze bag, 4 wavy tan bags, 1 clear red bag.
+dim silver bags contain 3 dark lime bags, 1 dotted beige bag.
+faded cyan bags contain 2 dull maroon bags, 5 clear tan bags, 1 dull coral bag, 2 posh lavender bags.
+dim white bags contain 1 dull maroon bag, 3 dull brown bags.
+vibrant bronze bags contain 5 faded chartreuse bags.
+dotted fuchsia bags contain 4 vibrant salmon bags, 2 faded white bags.
+faded gold bags contain 2 dark maroon bags, 2 bright chartreuse bags, 1 dull brown bag.
+dim brown bags contain 3 dull yellow bags, 4 faded chartreuse bags, 5 vibrant silver bags.
+light yellow bags contain 2 striped silver bags.
+striped coral bags contain 1 muted blue bag, 1 dim aqua bag, 4 posh red bags, 5 plaid lime bags.
+dark magenta bags contain 2 pale violet bags, 2 vibrant tomato bags, 5 clear orange bags.
+posh indigo bags contain 2 clear red bags, 4 clear violet bags, 2 shiny chartreuse bags, 5 dull white bags.
+light tomato bags contain 4 clear indigo bags.
+light plum bags contain 2 mirrored maroon bags.
+drab violet bags contain 5 dark aqua bags, 1 vibrant magenta bag.
+pale gray bags contain 1 striped lime bag, 4 clear bronze bags.
+dark plum bags contain 2 dark olive bags.
+plaid lavender bags contain 4 pale brown bags.
+mirrored olive bags contain 1 faded coral bag.
+drab green bags contain 2 dull silver bags, 2 clear purple bags, 3 posh violet bags, 2 light blue bags.
+bright maroon bags contain 4 faded yellow bags, 4 dotted bronze bags, 2 dark brown bags.
+striped purple bags contain 2 faded fuchsia bags, 5 posh plum bags.
+wavy gray bags contain 4 dark violet bags, 4 plaid orange bags.
+drab plum bags contain 3 light lavender bags, 1 striped blue bag, 5 bright crimson bags.
+faded orange bags contain 4 light teal bags, 4 dim chartreuse bags, 2 vibrant yellow bags.
+dim salmon bags contain 2 pale coral bags, 1 drab aqua bag.
+muted silver bags contain 1 clear chartreuse bag, 2 clear tan bags, 5 dotted tan bags, 4 clear black bags.
+muted yellow bags contain 3 wavy blue bags, 1 striped lavender bag.
+wavy gold bags contain 5 faded gold bags, 1 shiny green bag, 1 mirrored cyan bag.
+dull gold bags contain 1 striped green bag.
+bright brown bags contain 4 drab plum bags, 4 pale violet bags, 5 vibrant blue bags.
+bright crimson bags contain 2 wavy tan bags, 4 shiny teal bags.
+mirrored gray bags contain 2 dull beige bags, 4 light white bags, 5 pale brown bags.
+dull tan bags contain 4 dim magenta bags, 1 light teal bag.
+mirrored yellow bags contain 1 drab lavender bag, 4 shiny gold bags, 3 drab turquoise bags, 2 light silver bags.
+muted indigo bags contain 5 mirrored coral bags, 3 dark crimson bags.
+dull aqua bags contain 4 drab lime bags, 3 shiny crimson bags, 1 drab salmon bag.
+dim aqua bags contain 2 shiny lavender bags, 5 pale coral bags.
+shiny chartreuse bags contain 1 clear maroon bag, 4 shiny blue bags.
+dotted magenta bags contain 3 light olive bags.
+faded green bags contain 4 faded beige bags, 5 dotted gold bags, 5 striped lavender bags, 5 wavy blue bags.
+drab orange bags contain 3 muted fuchsia bags.
+dim magenta bags contain 1 shiny orange bag.
+shiny olive bags contain 2 wavy aqua bags.
+dark orange bags contain 1 clear black bag, 1 faded gray bag.
+light lavender bags contain no other bags.
+bright turquoise bags contain 2 dull beige bags, 5 shiny teal bags, 5 posh brown bags, 5 dark beige bags.
+faded purple bags contain 2 dark white bags, 2 pale salmon bags.
+drab olive bags contain 1 dark silver bag, 4 plaid yellow bags, 3 drab gold bags, 2 mirrored yellow bags.
+dull gray bags contain 3 vibrant turquoise bags, 5 faded chartreuse bags.
+striped bronze bags contain 3 faded turquoise bags, 2 vibrant gray bags, 3 dotted beige bags, 3 dull beige bags.
+wavy fuchsia bags contain 2 shiny purple bags, 2 plaid crimson bags, 1 dark cyan bag.
+pale aqua bags contain 4 dotted tan bags, 1 dim yellow bag, 5 shiny lime bags.
+pale silver bags contain 2 shiny brown bags.
+shiny aqua bags contain 1 pale salmon bag, 5 faded chartreuse bags, 1 plaid aqua bag, 4 shiny silver bags.
+posh brown bags contain 5 vibrant orange bags, 4 bright silver bags, 5 wavy orange bags, 3 dim chartreuse bags.
+striped lime bags contain 5 drab violet bags, 4 light turquoise bags, 2 bright turquoise bags.
+muted tan bags contain 2 striped purple bags, 4 posh yellow bags.
+drab purple bags contain 2 clear red bags.
+plaid magenta bags contain 2 pale blue bags, 5 plaid crimson bags.
+mirrored tan bags contain 3 pale purple bags.
+light blue bags contain 4 light tan bags.
+clear black bags contain 2 pale blue bags, 4 dim gold bags, 2 vibrant gold bags.
+light gold bags contain 1 wavy turquoise bag, 3 drab plum bags, 1 clear violet bag.
+bright olive bags contain 3 light lavender bags, 1 faded tan bag, 3 shiny gold bags, 1 dotted cyan bag.
+dark maroon bags contain 4 muted gold bags, 2 shiny yellow bags.
+wavy lime bags contain 3 plaid green bags, 5 mirrored silver bags, 4 mirrored green bags, 3 dotted beige bags.
+drab white bags contain 3 clear red bags, 3 bright silver bags, 4 posh red bags, 2 shiny blue bags.
+clear lime bags contain 4 dotted orange bags.
+vibrant maroon bags contain 2 dull orange bags, 5 vibrant crimson bags.
+pale black bags contain 1 pale cyan bag, 5 dim tan bags, 4 shiny purple bags, 4 faded fuchsia bags.
+vibrant tomato bags contain 2 mirrored orange bags.
+dotted gray bags contain 3 dotted purple bags.
+drab gold bags contain 4 shiny gold bags.
+mirrored teal bags contain 3 shiny magenta bags, 3 mirrored beige bags, 3 dotted silver bags, 5 mirrored indigo bags.
+posh lavender bags contain 2 wavy teal bags, 4 striped violet bags, 1 vibrant gold bag.
+dark lavender bags contain 3 light blue bags, 2 muted beige bags, 3 clear magenta bags, 1 light tan bag.
+muted cyan bags contain 4 dull gold bags, 1 dim yellow bag, 4 striped cyan bags, 2 dim gold bags.
+dim maroon bags contain 5 shiny purple bags.
+shiny purple bags contain 5 pale violet bags, 2 light fuchsia bags, 2 mirrored red bags.
+vibrant lime bags contain 4 bright orange bags, 1 posh beige bag.
+vibrant teal bags contain 2 posh turquoise bags, 3 pale tomato bags, 3 dark bronze bags.
+posh fuchsia bags contain 3 striped plum bags, 2 drab aqua bags.
+dotted violet bags contain 5 plaid black bags, 1 clear salmon bag, 2 dull chartreuse bags.
+clear gold bags contain 2 dull violet bags, 3 muted white bags.
+dull cyan bags contain 4 pale violet bags, 2 light gold bags, 4 dark tomato bags.
+posh beige bags contain 5 mirrored cyan bags, 5 dotted red bags, 3 clear purple bags, 3 posh white bags.
+dotted maroon bags contain 3 pale orange bags, 1 striped black bag, 4 faded fuchsia bags.
+dotted tomato bags contain 5 striped magenta bags, 4 striped orange bags, 3 muted teal bags, 3 bright black bags.
+drab teal bags contain 5 striped tan bags, 4 dull green bags, 5 muted coral bags, 1 clear red bag.
+vibrant magenta bags contain 5 bright orange bags, 4 mirrored gray bags, 1 faded tan bag, 4 faded brown bags.
+posh crimson bags contain 5 light lime bags, 1 faded brown bag, 2 posh red bags.
+dull lavender bags contain 4 clear green bags, 5 wavy orange bags, 5 posh green bags, 3 plaid orange bags.
+wavy yellow bags contain 2 light teal bags.
+dotted bronze bags contain 3 clear red bags, 4 posh plum bags, 4 light lavender bags, 4 faded fuchsia bags.
+dim olive bags contain 2 dotted chartreuse bags.
+dark gray bags contain 3 shiny olive bags.
+posh salmon bags contain 1 pale purple bag, 2 clear tomato bags, 4 shiny gold bags.
+shiny coral bags contain 3 dark olive bags, 2 dull fuchsia bags, 1 dull gold bag.
+vibrant green bags contain 2 light fuchsia bags, 5 vibrant violet bags, 3 dotted blue bags.
+pale lime bags contain 4 vibrant gold bags, 5 dotted yellow bags.
+vibrant yellow bags contain 5 clear violet bags, 1 dark maroon bag.
+pale beige bags contain 4 faded red bags, 4 striped green bags.
+dim bronze bags contain 5 posh chartreuse bags, 5 light white bags.
+clear fuchsia bags contain 5 posh yellow bags, 4 faded fuchsia bags.
+faded chartreuse bags contain 5 drab purple bags, 1 wavy olive bag, 3 light black bags, 1 dotted brown bag.
+mirrored turquoise bags contain 1 faded fuchsia bag, 2 mirrored blue bags.
+light maroon bags contain 4 dotted blue bags, 4 muted gold bags, 3 faded lavender bags.
+muted crimson bags contain 5 posh bronze bags.
+mirrored blue bags contain 1 faded lavender bag, 5 bright chartreuse bags, 4 dotted brown bags.
+striped brown bags contain 2 clear cyan bags, 4 vibrant orange bags, 5 shiny tan bags.
+muted orange bags contain 3 dotted black bags, 4 clear beige bags, 2 plaid beige bags, 1 mirrored coral bag.
+clear beige bags contain 3 wavy tan bags, 5 dark aqua bags.
+bright silver bags contain 3 striped purple bags.
+muted plum bags contain 5 light purple bags, 1 light lavender bag, 2 drab maroon bags, 1 posh black bag.
+vibrant salmon bags contain 1 shiny teal bag.
+dotted chartreuse bags contain 4 vibrant gold bags.
+shiny lime bags contain 3 dotted crimson bags, 3 striped crimson bags.
+wavy brown bags contain 1 pale violet bag, 3 light beige bags, 2 wavy aqua bags, 4 dim teal bags.
+clear yellow bags contain 3 dotted tan bags.
+bright red bags contain 1 dim tomato bag, 5 clear tan bags, 2 posh red bags, 5 mirrored yellow bags.
+drab tomato bags contain 1 drab yellow bag.
+dull crimson bags contain 1 dotted brown bag, 2 bright gray bags, 4 dim tan bags.
+shiny beige bags contain 2 plaid teal bags.
+dotted coral bags contain 4 plaid teal bags, 2 pale turquoise bags, 4 dark lime bags, 2 pale purple bags.
+shiny plum bags contain 5 dull coral bags, 1 shiny gold bag.
+light coral bags contain 2 pale bronze bags, 1 clear aqua bag.
+vibrant cyan bags contain 1 muted fuchsia bag, 4 pale tan bags, 1 shiny green bag, 1 dotted blue bag.
+bright purple bags contain 4 faded white bags.
+mirrored chartreuse bags contain 2 shiny orange bags.
+light brown bags contain 4 striped violet bags, 4 striped purple bags, 3 wavy yellow bags, 2 drab blue bags.
+clear brown bags contain 1 clear indigo bag, 2 dark coral bags.
+vibrant fuchsia bags contain 4 dull tan bags, 4 vibrant bronze bags, 1 light white bag, 5 vibrant tomato bags.
+clear crimson bags contain 5 muted tomato bags.
+muted red bags contain 2 dull beige bags, 2 dark turquoise bags, 1 dark fuchsia bag.
+dull salmon bags contain 2 bright tan bags, 5 faded white bags, 4 muted beige bags, 1 dull cyan bag.
+drab lavender bags contain 1 dark chartreuse bag.
+vibrant plum bags contain 1 dark violet bag, 2 mirrored red bags, 3 muted purple bags, 5 dull blue bags.
+drab maroon bags contain 3 plaid teal bags, 4 muted beige bags, 4 posh gold bags, 5 mirrored coral bags.
+posh magenta bags contain 4 wavy tomato bags, 3 wavy beige bags.
+striped olive bags contain 3 shiny plum bags, 4 plaid gold bags.
+vibrant crimson bags contain 2 dim chartreuse bags.
+drab lime bags contain 1 vibrant aqua bag.
+wavy maroon bags contain 2 dark tan bags, 4 faded brown bags, 4 dim silver bags, 1 muted lime bag.
+dull tomato bags contain 2 dotted bronze bags, 5 vibrant maroon bags, 4 plaid tan bags.
+dim teal bags contain 5 muted beige bags, 2 mirrored indigo bags, 4 vibrant lavender bags.
+wavy white bags contain 1 muted white bag, 1 dim chartreuse bag.
+bright lime bags contain 3 dull gold bags, 2 dull indigo bags, 4 drab teal bags.
+plaid aqua bags contain 4 light lavender bags, 4 posh gold bags, 3 wavy violet bags, 5 muted chartreuse bags.
+mirrored purple bags contain 3 dark lavender bags, 3 clear salmon bags, 1 plaid white bag, 1 striped violet bag.
+plaid maroon bags contain 4 dotted red bags, 1 mirrored coral bag, 5 muted indigo bags, 1 clear turquoise bag.
+dark turquoise bags contain 4 bright crimson bags, 2 dotted bronze bags, 2 pale violet bags, 5 wavy aqua bags.
+dull silver bags contain 2 wavy olive bags, 5 shiny violet bags.
+muted olive bags contain 5 plaid beige bags, 3 dark brown bags, 1 clear black bag, 4 faded red bags.
+drab indigo bags contain 1 pale violet bag.
+muted lime bags contain 5 striped violet bags, 2 plaid lavender bags.
+drab blue bags contain 1 pale tomato bag.
+drab bronze bags contain 3 vibrant blue bags, 1 vibrant bronze bag.
+muted gray bags contain 4 dim chartreuse bags.
+striped teal bags contain 4 dark coral bags.
+light green bags contain 2 plaid teal bags, 5 pale bronze bags, 3 dull teal bags.
+plaid salmon bags contain 3 bright chartreuse bags.
+dotted blue bags contain 4 drab plum bags, 1 light tan bag.
+dark violet bags contain 5 dark coral bags, 5 dotted lavender bags, 5 pale brown bags, 1 vibrant lavender bag.
+pale gold bags contain 1 bright silver bag, 2 dark cyan bags, 1 dull tan bag, 1 plaid blue bag.
+light turquoise bags contain 3 drab turquoise bags, 1 dull tan bag, 3 muted indigo bags, 5 dotted fuchsia bags.
+plaid blue bags contain 3 pale violet bags, 4 dotted brown bags.
+bright magenta bags contain 4 shiny brown bags, 4 wavy violet bags, 3 dark aqua bags, 2 bright turquoise bags.
+clear maroon bags contain 4 posh plum bags.
+posh red bags contain 5 plaid cyan bags, 4 clear orange bags.
+posh purple bags contain 5 plaid cyan bags, 1 drab lavender bag, 3 pale purple bags, 4 light coral bags.
+dim lime bags contain 2 striped beige bags, 2 dark blue bags.
+shiny indigo bags contain 2 vibrant black bags, 2 wavy orange bags.
+posh gold bags contain 5 dull beige bags, 1 shiny teal bag.
+wavy beige bags contain 2 dark beige bags, 4 muted chartreuse bags, 2 dim lavender bags, 2 mirrored indigo bags.
+dim lavender bags contain 2 vibrant aqua bags.
+mirrored beige bags contain 2 posh red bags, 3 pale olive bags, 3 dull brown bags.
+clear indigo bags contain 1 shiny teal bag, 1 mirrored indigo bag.
+dim chartreuse bags contain 5 bright tan bags.
+plaid coral bags contain 2 clear green bags.
+wavy cyan bags contain 2 drab blue bags, 5 dotted coral bags, 3 mirrored beige bags.
+dotted crimson bags contain 1 muted tan bag, 4 dull maroon bags, 2 striped crimson bags.
+drab cyan bags contain 1 dull cyan bag, 3 pale cyan bags, 4 faded aqua bags, 4 clear tan bags.
+wavy coral bags contain 4 wavy plum bags, 5 plaid beige bags, 5 pale tan bags.
+pale maroon bags contain 5 pale tan bags.
+shiny blue bags contain 3 light coral bags, 4 bright olive bags.
+plaid orange bags contain 2 dim white bags, 3 shiny silver bags, 3 pale violet bags.
+dark tan bags contain 2 vibrant olive bags, 3 plaid turquoise bags, 2 dull chartreuse bags, 4 dull teal bags.
+posh cyan bags contain 5 posh orange bags, 5 shiny brown bags.
+clear red bags contain no other bags.
+light fuchsia bags contain 4 dark beige bags, 1 light black bag, 1 striped blue bag.
+striped beige bags contain 2 bright silver bags, 2 faded indigo bags, 1 plaid turquoise bag, 3 shiny plum bags.
+wavy lavender bags contain 4 posh black bags, 1 dotted teal bag, 4 drab purple bags.
+dotted cyan bags contain 5 dull yellow bags, 5 light beige bags, 2 vibrant aqua bags, 5 dark beige bags.
+drab crimson bags contain 5 dark magenta bags.
+plaid olive bags contain 1 vibrant crimson bag, 5 dim bronze bags, 1 striped black bag, 1 drab brown bag.
+dim yellow bags contain 3 plaid gray bags, 5 vibrant salmon bags, 4 vibrant olive bags.
+striped indigo bags contain 3 mirrored coral bags, 2 vibrant bronze bags, 3 dull brown bags.
+dark green bags contain 3 shiny teal bags, 5 pale chartreuse bags, 5 dull teal bags, 5 striped silver bags.
+drab aqua bags contain 5 dark aqua bags, 5 dotted blue bags, 1 pale violet bag, 1 pale bronze bag.
+striped orange bags contain 3 striped green bags, 4 muted beige bags, 2 clear aqua bags, 3 dark crimson bags.
+striped silver bags contain 1 pale cyan bag, 5 drab gold bags, 3 bright turquoise bags, 4 light gold bags.
+bright blue bags contain 4 light black bags, 1 plaid salmon bag.
+striped red bags contain 1 vibrant plum bag, 5 dull blue bags, 1 dull olive bag.
+posh white bags contain 3 drab bronze bags, 4 bright crimson bags.
+drab turquoise bags contain 4 striped crimson bags.
+clear lavender bags contain 4 faded magenta bags, 1 mirrored gray bag, 4 wavy yellow bags, 1 dotted cyan bag.
+drab chartreuse bags contain 1 shiny gray bag.
+clear purple bags contain 1 shiny brown bag, 2 bright gray bags, 5 clear salmon bags.
+dull magenta bags contain 1 posh cyan bag, 3 muted indigo bags, 1 dim lavender bag.
+posh chartreuse bags contain 4 wavy violet bags.
+posh maroon bags contain 4 striped gray bags.
+clear blue bags contain 3 faded lime bags, 2 pale purple bags.
+dark gold bags contain 2 dull beige bags, 3 plaid blue bags.
+muted coral bags contain 4 dark gold bags.
+bright aqua bags contain 3 muted crimson bags.
+dull orange bags contain 3 posh gold bags.
+shiny turquoise bags contain 3 dark brown bags, 5 shiny red bags, 3 muted beige bags.
+mirrored brown bags contain 2 light orange bags, 5 drab coral bags, 2 wavy lime bags.
+striped chartreuse bags contain 1 dark lavender bag, 4 pale salmon bags, 4 dotted violet bags, 4 clear tomato bags.
+shiny salmon bags contain 4 dim magenta bags.
+bright fuchsia bags contain 4 muted chartreuse bags, 3 mirrored green bags.
+shiny tomato bags contain 5 clear gray bags, 2 drab silver bags, 3 clear green bags.
+muted turquoise bags contain 5 shiny orange bags, 1 mirrored tan bag.
+vibrant tan bags contain 1 faded magenta bag, 5 drab plum bags.
+posh gray bags contain 2 posh magenta bags.
+dark lime bags contain 5 clear aqua bags, 3 posh plum bags.
+plaid violet bags contain 2 light bronze bags, 1 light green bag, 1 striped gold bag.
+vibrant blue bags contain 2 wavy yellow bags, 4 dim magenta bags, 1 drab maroon bag, 4 dotted brown bags.
+faded brown bags contain 2 pale blue bags, 4 bright olive bags, 1 bright bronze bag.
+striped salmon bags contain 4 light green bags, 4 wavy orange bags, 3 mirrored coral bags.
+plaid lime bags contain 1 bright green bag, 2 light indigo bags.
+plaid chartreuse bags contain 4 vibrant green bags, 5 dotted coral bags, 2 muted gray bags, 4 bright purple bags.
+light salmon bags contain 5 vibrant maroon bags, 3 dark lime bags, 5 drab tan bags, 1 striped cyan bag.
+muted fuchsia bags contain 4 light silver bags, 3 light teal bags, 3 muted gold bags.
+clear plum bags contain 5 light turquoise bags.
+posh orange bags contain 5 wavy tan bags, 4 dark turquoise bags.
+dotted tan bags contain 2 plaid teal bags.
+shiny teal bags contain no other bags.
+posh violet bags contain 2 vibrant tomato bags, 4 bright orange bags, 3 dotted red bags, 5 pale silver bags.
+dotted lime bags contain 5 wavy tan bags, 2 dark tomato bags, 5 mirrored gray bags, 2 light aqua bags.
+posh plum bags contain no other bags.
+mirrored white bags contain 4 clear gold bags, 1 dark teal bag.
+pale indigo bags contain 4 shiny magenta bags, 1 shiny maroon bag.
+drab beige bags contain 1 muted plum bag, 5 posh turquoise bags, 2 vibrant fuchsia bags.
+faded black bags contain 5 wavy black bags.
+plaid beige bags contain 2 posh purple bags, 4 pale olive bags, 3 striped green bags, 5 bright orange bags.
+faded white bags contain 4 clear red bags, 4 faded fuchsia bags, 1 dull beige bag.
+shiny violet bags contain 3 shiny green bags, 5 wavy brown bags.
+wavy blue bags contain 2 light teal bags, 4 dull silver bags, 2 bright black bags, 4 dull tan bags.
+wavy red bags contain 4 dark silver bags, 5 dotted chartreuse bags, 2 clear salmon bags, 2 striped tan bags.
+shiny lavender bags contain 2 muted bronze bags.
+faded coral bags contain 5 dotted chartreuse bags, 2 vibrant silver bags, 2 wavy black bags.
+clear coral bags contain 4 muted fuchsia bags.
+mirrored coral bags contain 1 vibrant lavender bag.
+dim black bags contain 2 bright olive bags, 1 dull teal bag, 4 shiny purple bags.
+pale blue bags contain 1 light black bag, 2 light white bags, 1 dull maroon bag, 5 plaid teal bags.
+plaid plum bags contain 3 muted coral bags, 1 dim brown bag, 2 plaid aqua bags, 1 vibrant blue bag.
+muted black bags contain 5 light blue bags, 3 clear salmon bags.
+dotted white bags contain 3 shiny salmon bags, 1 faded maroon bag.
+drab coral bags contain 3 striped gold bags, 4 shiny aqua bags, 5 wavy red bags.
+dotted salmon bags contain 4 drab black bags, 2 light aqua bags.
+mirrored indigo bags contain 3 wavy orange bags, 5 posh plum bags.
+vibrant violet bags contain 1 striped lavender bag, 1 muted purple bag, 2 drab silver bags, 5 pale olive bags.
+plaid teal bags contain 4 shiny teal bags, 2 wavy turquoise bags, 2 vibrant aqua bags.
+dull violet bags contain 5 light coral bags, 1 vibrant tan bag.
+faded crimson bags contain 3 dark chartreuse bags, 2 vibrant cyan bags, 3 mirrored cyan bags.
+posh bronze bags contain 4 plaid lavender bags, 3 shiny gold bags, 5 mirrored coral bags, 2 shiny indigo bags.
+clear olive bags contain 2 muted gray bags, 2 dark red bags, 5 clear brown bags, 5 bright silver bags.

2020/data/day8.expected

@@ -0,0 +1,2 @@
+1797
+1036

2020/data/day8.input

@@ -0,0 +1,625 @@
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+nop +320
+jmp -63
+jmp +223
+nop -149
+acc -12
+acc -11
+acc +32
+jmp +309
+jmp -13
+acc -19
+jmp -123
+acc +21
+acc +18
+acc +49
+jmp +175
+acc -14
+nop -129
+acc -2
+acc +31
+jmp +79
+acc +23
+acc +50
+acc +39
+acc +7
+jmp -235
+jmp -166
+acc +9
+jmp +293
+acc -11
+jmp +76
+acc +44
+acc +3
+acc +37
+jmp +123
+nop -104
+jmp -157
+acc +14
+acc +10
+acc +28
+jmp +25
+acc +37
+jmp +188
+jmp -49
+acc -11
+jmp -90
+acc -8
+jmp +197
+acc +5
+jmp +115
+acc +44
+jmp -228
+nop -2
+acc +46
+jmp +130
+nop +183
+nop +106
+acc +27
+acc +37
+jmp -309
+acc +28
+acc -4
+acc -12
+acc +38
+jmp +93
+acc +8
+acc +23
+acc -9
+acc +6
+jmp -42
+acc +10
+acc +35
+acc +4
+jmp -231
+acc +19
+acc +7
+acc +23
+acc +11
+jmp -90
+acc +0
+nop +158
+nop -150
+acc +33
+jmp +107
+acc +48
+acc -2
+jmp -104
+acc +6
+nop -57
+nop +172
+acc -11
+jmp -7
+acc +6
+acc +50
+acc -9
+acc +12
+jmp -171
+acc +3
+jmp +26
+acc +42
+acc +31
+acc +20
+acc +32
+jmp -48
+acc +13
+jmp -6
+jmp +178
+acc +47
+jmp -153
+acc +28
+nop +74
+jmp -162
+acc -15
+nop -104
+acc -9
+jmp -227
+acc +49
+acc -19
+acc +41
+jmp -318
+acc +9
+acc +12
+acc +7
+jmp +34
+jmp +137
+nop -143
+acc -8
+acc +5
+acc +31
+jmp -20
+jmp -237
+acc +39
+acc +0
+jmp -298
+acc +45
+acc -19
+acc +11
+jmp -151
+acc +40
+acc +27
+nop +150
+nop -391
+jmp -341
+acc +1
+acc +11
+acc +18
+nop -234
+jmp +77
+nop +104
+jmp -65
+acc +32
+jmp -27
+nop -317
+nop +159
+acc +14
+acc -10
+jmp -348
+acc +29
+jmp +32
+acc +48
+acc -19
+jmp +17
+jmp -201
+jmp -224
+nop +26
+acc -7
+acc +23
+acc +46
+jmp -6
+acc +22
+acc +39
+acc +9
+acc +23
+jmp -30
+jmp -243
+acc +47
+acc -15
+jmp -298
+jmp -393
+jmp +1
+acc +3
+nop -24
+acc +7
+jmp -59
+acc -6
+acc +26
+jmp -102
+acc +34
+acc +24
+jmp -207
+acc +36
+acc +40
+acc +41
+jmp +1
+jmp -306
+jmp +57
+jmp +1
+nop +99
+acc +28
+jmp -391
+acc +50
+jmp -359
+acc -5
+jmp +9
+jmp -355
+acc +5
+acc +2
+jmp -77
+acc +40
+acc +28
+acc +22
+jmp -262
+nop -287
+acc +34
+acc -4
+nop +112
+jmp -195
+acc +29
+nop -94
+nop -418
+jmp +24
+jmp -190
+acc +2
+jmp -311
+jmp -178
+jmp -276
+acc -12
+acc -18
+jmp +62
+jmp -174
+nop +31
+acc +33
+nop -158
+jmp -417
+acc +3
+acc +21
+acc +47
+jmp +87
+acc +45
+jmp -77
+acc +6
+acc -10
+jmp +1
+jmp -240
+acc +7
+acc +47
+jmp -379
+acc -14
+acc +50
+nop -75
+acc +30
+jmp +70
+jmp -392
+jmp -430
+acc +22
+acc -2
+jmp -492
+jmp +1
+acc -6
+acc +38
+jmp -36
+nop -336
+jmp -32
+jmp +61
+acc +20
+acc -9
+acc +2
+jmp -175
+acc +21
+acc -2
+jmp -6
+jmp -527
+acc +11
+acc +16
+jmp -262
+jmp +1
+nop -327
+acc +29
+jmp -114
+acc +11
+acc +17
+acc +26
+nop -104
+jmp -428
+nop -178
+nop -242
+acc +29
+acc +5
+jmp -245
+jmp -417
+jmp -278
+acc +35
+acc +21
+jmp +1
+nop -263
+jmp +8
+acc +42
+jmp -95
+nop -312
+acc -11
+acc +34
+acc +0
+jmp +19
+acc +8
+acc -13
+acc +32
+acc +21
+jmp -208
+acc +15
+acc +39
+nop -194
+jmp -280
+jmp +24
+nop -516
+acc +21
+acc +48
+jmp -367
+jmp -121
+acc +49
+acc -16
+jmp -136
+acc +0
+jmp -148
+jmp -85
+jmp -103
+nop -446
+jmp -242
+acc -12
+acc +13
+acc +31
+acc -1
+jmp -435
+nop -420
+acc +22
+acc -5
+jmp -567
+nop -354
+acc +11
+acc +33
+acc +45
+jmp -76
+acc -2
+acc +0
+acc +25
+acc +46
+jmp -555
+acc +0
+acc +11
+nop -2
+jmp -394
+jmp -395
+acc +8
+acc +14
+acc +47
+acc +22
+jmp +1

2020/data/day9.expected

@@ -0,0 +1,2 @@
+26134589
+3535124

2020/day1/day1.hs

@@ -0,0 +1,11 @@
+import AoC
+
+import Data.List
+import Data.Maybe
+import Control.Monad
+
+find_n_summing :: (Num a, Eq a) => a -> Int -> [a] -> Maybe [a]
+find_n_summing to = (find ((to ==) . sum) .) . replicateM
+
+main = runAoC (fmap read <$> lines) (solution 2) (solution 3)
+    where solution = product . fromJust .: find_n_summing 2020

2020/day1/day1.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+import itertools
+import sys
+from typing import Iterable
+
+def product(nums: Iterable[int]) -> int:
+    """
+    Returns the product of all elements in 'nums'
+    """
+    x = 1
+    for num in nums:
+        x *= num
+    return x
+
+def find_summing(arity: int, nums: Iterable[int]) -> int:
+    return product(next(filter(lambda xs: sum(xs) == 2020, itertools.permutations(nums, r=arity))))
+
+if __name__ == '__main__':
+    nums = [int(n) for n in sys.stdin.readlines()]
+    print(find_summing(2, nums))
+    print(find_summing(3, nums))

2020/day10/day10.hs

@@ -0,0 +1,17 @@
+import AoC
+
+import Data.List
+
+pairs :: [a] -> [(a, a)]
+pairs xs = zipWith (,) xs (tail xs)
+
+part1 :: [Int] -> Int
+part1 = product . map length . group . sort . map (uncurry $ flip (-)) . pairs
+
+numArrangements :: [Int] -> Int
+numArrangements = snd . head . go
+    where go xs = foldr (\x acc -> (x, sum . map snd . takeWhile (\(y, _) -> x-y <= 3) $ acc) : acc) [(last xs, 1)] $ init xs
+
+main = runAoC (addPhonePort . sortReverse . (0:) . map read . lines) part1 numArrangements
+    where addPhonePort (x:xs) = (x+3):x:xs
+          sortReverse = sortBy (flip compare)

2020/day11/day11.py

@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+
+from copy import deepcopy
+from enum import Enum, auto
+from functools import cache
+from itertools import chain
+import sys
+from typing import Iterable, List, Optional, Tuple
+
+NEIGHBOURS = [(dx, dy) for dy in (-1, 0, 1) for dx in (-1, 0, 1) if not dx == dy == 0]
+
+class Tile(Enum):
+    FLOOR = '.'
+    FREE = 'L'
+    OCCUPIED = '#'
+
+class Layout:
+    def __init__(
+            self,
+            s: str,
+            max_neighbour_steps: Optional[int],
+            occupied_neighbours_to_leave: int):
+        self._store = [[Tile(c) for c in line] for line in s.splitlines()]
+        self.num_rows = len(self._store)
+        self.num_cols = len(self._store[0])
+        self.max_neighbour_steps = max_neighbour_steps
+        self.occupied_neighbours_to_leave = occupied_neighbours_to_leave
+
+    def tiles(self) -> Iterable[Tile]:
+        return chain.from_iterable(self._store)
+
+    def get(self, row: int, col: int) -> Tile:
+        return self._store[row][col]
+
+    def set(self, row: int, col: int, t: Tile) -> None:
+        self._store[row][col] = t
+
+    def step(self) -> bool:
+        new_tiles = []
+
+        for row in range(self.num_rows):
+            for col in range(self.num_cols):
+                num_neighbours = self.count_neighbours(row, col)
+                tile = self.get(row, col)
+                new_tile = None
+                if tile == Tile.FREE and num_neighbours == 0:
+                    new_tile = Tile.OCCUPIED
+                elif tile == Tile.OCCUPIED and num_neighbours >= self.occupied_neighbours_to_leave:
+                    new_tile = Tile.FREE
+
+                if new_tile is not None:
+                    new_tiles.append((row, col, new_tile))
+
+        for row, col, tile in new_tiles:
+            self.set(row, col, tile)
+
+        return len(new_tiles) != 0
+
+    def _find_neighbour(self, row: int, col: int, direction: Tuple[int, int]) -> Optional[Tuple[int, int]]:
+        steps = 0
+        while self.max_neighbour_steps is None or steps < self.max_neighbour_steps:
+            row += direction[0]
+            col += direction[1]
+            if row < 0 or row >= self.num_rows:
+                break
+            if col < 0 or col >= self.num_cols:
+                break
+
+            if self.get(row, col) != Tile.FLOOR:
+                return (row, col)
+            steps += 1
+
+        return None
+
+    @cache
+    def _neighbour_coords(self, row: int, col: int) -> List[Tuple[int, int]]:
+        coords = []
+        for direction in NEIGHBOURS:
+            neighbour = self._find_neighbour(row, col, direction)
+            if neighbour is not None:
+                coords.append(neighbour)
+        return coords
+
+    def neighbours(self, row: int, col: int) -> Iterable[Tile]:
+        for nrow, ncol in self._neighbour_coords(row, col):
+            yield self.get(nrow, ncol)
+
+    def count_neighbours(self, row: int, col: int) -> int:
+        return sum(1 for tile in self.neighbours(row, col) if tile == Tile.OCCUPIED)
+
+
+def run(layout: Layout) -> int:
+    while layout.step():
+        pass
+
+    return len([t for t in layout.tiles() if t == Tile.OCCUPIED])
+
+if __name__ == '__main__':
+    layout_str = sys.stdin.read()
+    print(run(Layout(layout_str, 1, 4)))
+    print(run(Layout(layout_str, None, 5)))

2020/day13/day13.hs

@@ -0,0 +1,47 @@
+module Day13 where
+
+import AoC
+
+import Data.List
+import Data.List.Split
+import Data.Maybe
+import Data.Ord
+import Data.Tuple
+
+-- | inverse integer modulus, "remainder until the next multiple of d"
+--
+-- @(n + n `'invMod'` d) `'mod'` d == 0@
+invMod :: Integral a => a -> a -> a
+invMod n d | r == 0 = 0
+           | otherwise = d - r
+           where r = n `mod` d
+
+-- | @'combineRemainders' (r1, d1) (r2, d2) = (r3, d3)@ combines a relation of the form
+--
+-- @
+-- x = r1 (mod d1)
+-- x = r2 (mod d2)
+-- @
+--
+-- into a single relation
+--
+-- @
+-- x = r3 (mod d3)
+-- @
+--
+-- @d1@ should be larger than @d2@ for better performance.
+combineRemainders :: (Integral a) => (a, a) -> (a, a) -> (a, a)
+combineRemainders (r1, d1) (r2, d2) = (fromJust . find (\x -> x `mod` d2 == r2) $ [r1,d1+r1..], d1*d2)
+
+part1 :: Int -> [Int] -> Int
+part1 arr = uncurry (*) . minimumBy (comparing snd) . map (toSnd $ invMod arr)
+    where toSnd f x = (x, f x)
+
+part2 :: [Maybe Int] -> Int
+part2 = fst . foldl1 combineRemainders . map (\(r, d) -> (r `invMod` d, d)) . catMaybes . map sequence . enumerate 0
+    where enumerate start (x:xs) = (start, x) : enumerate (succ start) xs
+          enumerate _ [] = []
+
+main = runAoC (intoTuple . map (map (fmap read . justIf (/="x")) . splitOn ",") . lines) (uncurry part1 . fmap catMaybes) (part2 . snd)
+    where intoTuple [[Just x], y] = (x, y)
+          justIf p x = if p x then Just x else Nothing

2020/day14/day14.hs

@@ -0,0 +1,82 @@
+{-# LANGUAGE NamedFieldPuns #-}
+
+module Day14 where
+
+import AoC
+
+import Data.Bits
+import Data.List
+import Data.Map (Map)
+import qualified Data.Map as M
+import Data.Maybe
+import Data.Tuple
+import Data.Word
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data Mask = Mask { set :: Word64
+                 , clear :: Word64
+                 , dontcare :: Word64
+                 } deriving (Eq, Show)
+
+data Store = Store { address :: Word64
+                   , value :: Word64
+                   } deriving (Show)
+
+parseMaskDecl :: ReadP Mask
+parseMaskDecl = do
+    string "mask = "
+    mask <- many1 (choice $ char <$> "01X")
+    let extractMask c = foldl setBit zeroBits . findIndices (==c) . reverse $ mask
+    return $ Mask { set = extractMask '1'
+                  , clear = extractMask '0'
+                  , dontcare = extractMask 'X'
+                  }
+
+parseStoreInstruction :: ReadP Store
+parseStoreInstruction = do
+    string "mem"
+    address <- between (char '[') (char ']') readDecP
+    string " = "
+    value <- readDecP
+    return $ Store {address, value}
+
+parseGroup :: ReadP (Mask, [Store])
+parseGroup = do
+    mask <- parseMaskDecl
+    char '\n'
+    stores <- parseStoreInstruction `endBy` (char '\n')
+    return (mask, stores)
+
+runStores :: [Store] -> Word64
+runStores = sum . M.fromList . map (\(Store a v) -> (a, v))
+
+applyMask :: Mask -> Word64 -> Word64
+applyMask Mask{set, clear} n = (n .|. set) .&. complement clear
+
+maskValues :: Mask -> [Store] -> [Store]
+maskValues mask = map maskValue
+    where maskValue store@Store{value} = store {value = applyMask mask value}
+
+maskAddresses :: Mask -> [Store] -> [Store]
+maskAddresses mask = concatMap maskAddress
+    where maskAddress store@Store{address} = map (\m -> store {address = applyMask m address}) . evalDontcare $ mask { clear = 0 }
+
+evalDontcare :: Mask -> [Mask]
+evalDontcare = go 0
+    where go i mask@Mask{set, clear, dontcare}
+            | dontcare == 0 = [mask]
+            | dontcare `testBit` i = go (i+1) withSet ++ go (i+1) withClear
+            | otherwise = go (i+1) mask
+            where new = mask { dontcare = dontcare `clearBit` i }
+                  withSet = new { set = set `setBit` i }
+                  withClear = new { clear = clear `setBit` i }
+
+part1 :: [(Mask, [Store])] -> Word64
+part1 = runStores . concatMap (uncurry maskValues)
+
+part2 :: [(Mask, [Store])] -> Word64
+part2 = runStores . concatMap (uncurry maskAddresses)
+
+main = runAoC readGroups part1 part2
+    where readGroups = fromJust . oneCompleteResult (many parseGroup)

2020/day15/day15.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+import sys
+
+def run_game(init, iterations):
+    last_seen = {}
+    previous = None
+
+    for i, n in enumerate(init):
+        if previous is not None:
+            last_seen[previous] = i-1
+        previous = n
+
+    for i in range(i+1, iterations):
+        if previous in last_seen:
+            x = i - last_seen[previous] - 1
+        else:
+            x = 0
+        last_seen[previous] = i-1
+        previous = x
+
+    return previous
+
+if __name__ == '__main__':
+    init = [int(n) for n in sys.stdin.read().split(',')]
+    print(run_game(init, 2020))
+    print(run_game(init, 30000000))

2020/day16/day16.hs

@@ -0,0 +1,95 @@
+{-# LANGUAGE NamedFieldPuns #-}
+
+module Day16 where
+
+import AoC
+
+import Data.List
+import Data.Maybe
+import qualified Data.Set as S
+import Data.Set (Set)
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data Field = Field { name :: String
+                   , valids :: Set Int
+                   } deriving (Show)
+
+type Ticket = [Int]
+
+data Input = Input { fields :: [Field]
+                   , myTicket :: Ticket
+                   , otherTickets :: [Ticket]
+                   } deriving (Show)
+
+line :: ReadP a -> ReadP a
+line p = p <* char '\n'
+
+parseField :: ReadP Field
+parseField = do
+    name <- many1 $ satisfy (/=':')
+    string ": "
+    ranges <- parseRange `sepBy` string " or "
+    let valids = S.fromList . concat . map (uncurry enumFromTo) $ ranges
+    return $ Field { name, valids }
+    where parseRange = do
+            n1 <- readDecP
+            char '-'
+            n2 <- readDecP
+            return (n1, n2)
+
+parseTicket :: ReadP Ticket
+parseTicket = readDecP `sepBy` char ','
+
+parseInput :: ReadP Input
+parseInput = do
+    fields <- many1 $ line parseField
+    line $ string ""
+    line $ string "your ticket:"
+    myTicket <- line parseTicket
+    line $ string ""
+    line $ string "nearby tickets:"
+    otherTickets <- many1 $ line parseTicket
+    return $ Input {fields, myTicket, otherTickets }
+
+matchesAnyField :: [Field] -> Int -> Bool
+matchesAnyField fields n = any ((n `S.member`) . valids) fields
+
+iterateUntilNothing :: (a -> Maybe a) -> a -> a
+iterateUntilNothing f x = maybe x (iterateUntilNothing f) $ f x
+
+data Resolve a = Resolved a | Choice (Set a) deriving (Show)
+
+resolve :: Ord a => [[a]] -> Maybe [a]
+resolve = sequence . map fromResolved . iterateUntilNothing resolve' . map (Choice . S.fromList)
+    where fromResolved (Resolved x) = Just x
+          fromResolved _ = Nothing
+
+findSingletonChoice :: [Resolve a] -> Maybe (a, [Resolve a])
+findSingletonChoice [] = Nothing
+findSingletonChoice (x:xs) =
+    case x of
+      Choice s | S.size s == 1 -> let [r] = S.elems s
+                                  in  Just (r, Resolved r : xs)
+      _ -> fmap (\(r, rest) -> (r, x:rest)) $ findSingletonChoice xs
+
+resolve' :: Ord a => [Resolve a] -> Maybe [Resolve a]
+resolve' xs = do
+    (r, xs') <- findSingletonChoice xs
+    return $ map (dropChoice r) xs'
+    where dropChoice x (Choice s) = Choice (S.delete x s)
+          dropChoice _ y = y
+
+part1 :: Input -> Int
+part1 Input { fields, otherTickets } = sum . filter (not . matchesAnyField fields) . concat $ otherTickets
+
+part2 :: Input -> Int
+part2 Input { fields, myTicket, otherTickets } = product departureValues
+    where validTickets = filter (all $ matchesAnyField fields) otherTickets
+          columns = transpose validTickets
+          fieldNames = fromJust . resolve . map findPossibleFields $ columns
+          departureIndices = findIndices ("departure" `isPrefixOf`) fieldNames
+          departureValues = map (myTicket !!) departureIndices
+          findPossibleFields col = map name . filter (\field -> all (`S.member` valids field) col) $ fields
+
+main = runAoC (fromJust . oneCompleteResult parseInput) part1 part2

2020/day17/day17.hs

@@ -0,0 +1,23 @@
+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances, DataKinds #-}
+
+module Day17 where
+
+import AoC
+import Conway
+
+import Data.List
+import Data.Vector.Sized (Vector)
+import qualified Data.Vector.Sized as V
+import Data.Set (Set)
+import qualified Data.Set as S
+
+instance (Num a, Eq a) => Index (Vector n a) where
+    neighbours i = filter (/= i) . V.mapM (flip map [-1, 0, 1] . (+)) $ i
+    addIndex = V.zipWith (+)
+
+run6 :: (Index i, Ord i) => Set i -> Int
+run6 = S.size . (!! 6) . iterate (update (==3) (`notElem` [2, 3]))
+
+main = runAoC (toIndices . lines) (run6 . S.fromList . map extendIndex) (run6 . S.fromList . map (extendIndex . extendIndex))
+    where toIndices input = [V.fromTuple (row, col) :: Vector 2 Int | (row, line) <- zip [0..] input, (col, '#') <- zip [0..] line]
+          extendIndex = V.cons 0

2020/day18/day18.hs

@@ -0,0 +1,56 @@
+module Day18 where
+
+import AoC
+
+import Control.Applicative
+import Data.Maybe
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data Expression = Literal Int
+                | Addition Expression Expression
+                | Multiplication Expression Expression
+                | Bracketed Expression
+
+type ApplicationSequencer = Expression -> String -> Expression -> Expression
+
+parseLiteral :: ReadP Expression
+parseLiteral = Literal <$> readDecP
+
+parseBracketed :: ApplicationSequencer -> ReadP Expression
+parseBracketed seq = Bracketed <$> between (char '(') (char ')') (parseExpression seq)
+
+parseOperations :: ApplicationSequencer -> ReadP Expression
+parseOperations seq =
+    do l <- parseLiteral <|> parseBracketed seq
+       apps <- many1 $ parseApplication seq
+       return $ foldl (\l (op, r) -> seq l op r) l apps
+
+parseApplication :: ApplicationSequencer -> ReadP (String, Expression)
+parseApplication seq =
+    do skipSpaces
+       op <- choice $ map string ["*", "+"]
+       skipSpaces
+       r <- parseLiteral <|> parseBracketed seq
+       return $ (op, r)
+
+parseExpression :: ApplicationSequencer -> ReadP Expression
+parseExpression seq = parseLiteral <|> parseOperations seq <|> parseBracketed seq
+
+sequenceLeftToRight :: ApplicationSequencer
+sequenceLeftToRight l op r = toOperation op l r
+    where toOperation "*" = Multiplication
+          toOperation "+" = Addition
+
+sequenceAdditionPrecedence :: ApplicationSequencer
+sequenceAdditionPrecedence (Multiplication l r) "+" rr = Multiplication l (Addition r rr)
+sequenceAdditionPrecedence l op r = sequenceLeftToRight l op r
+
+eval :: Expression -> Int
+eval (Literal n) = n
+eval (Addition l r) = eval l + eval r
+eval (Multiplication l r) = eval l * eval r
+eval (Bracketed x) = eval x
+
+main = runAoC lines (run sequenceLeftToRight) (run sequenceAdditionPrecedence)
+    where run seq = sum . map (eval . fromJust . oneCompleteResult (parseExpression seq))

2020/day19/day19.hs

@@ -0,0 +1,45 @@
+module Day19 where
+
+import AoC
+
+import Control.Applicative
+import Data.Char
+import Data.Foldable
+import Data.Map (Map, (!))
+import qualified Data.Map as M
+import Data.Maybe
+import Data.Tuple
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data RuleElement = Literal String | Reference Int
+
+parseElement :: ReadP RuleElement
+parseElement = parseRef <|> parseLit
+    where parseRef = Reference <$> readDecP
+          parseLit = Literal <$> between (char '"') (char '"') (many1 $ satisfy isAlphaNum)
+
+parseRule :: ReadP (Int, [[RuleElement]])
+parseRule = do ruleNum <- readDecP
+               string ": "
+               alternatives <- parseAlternatives
+               return (ruleNum, alternatives)
+    where parseAlternatives = parseSequence `sepBy` string " | "
+          parseSequence = parseElement `sepBy` char ' '
+
+buildParser :: Map Int [[RuleElement]] -> Int -> ReadP String
+buildParser m i = buildAlternatives $ m ! i
+    where buildAlternatives = asum . map buildSequence
+          buildSequence = foldl1 (liftA2 (++)) . map buildElement
+          buildElement (Literal s) = string s
+          buildElement (Reference j) = buildParser m j
+
+countRootMatches :: [String] -> Map Int [[RuleElement]] -> Int
+countRootMatches input rules = length . filter (isJust . oneCompleteResult rootParser) $ input
+    where rootParser = buildParser rules 0
+
+main = runAoC splitInput run (run . withExtraRules)
+    where splitInput = swap . fmap tail . break (=="") . lines
+          withExtraRules = fmap (++ ["8: 42 | 42 8", "11: 42 31 | 42 11 31"])
+          run = uncurry countRootMatches . fmap parseRules
+          parseRules = M.fromList . map (fromJust . oneCompleteResult parseRule)

2020/day2/day2.hs

@@ -0,0 +1,40 @@
+module Day2 where
+
+import AoC
+
+import Data.Char
+import Data.Maybe
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data Line = Line
+    { num1 :: Int
+    , num2 :: Int
+    , letter :: Char
+    , password :: String
+    }
+
+instance Show Line where
+    show (Line num1 num2 letter password) = show num1 ++ "-" ++ show num2 ++ " " ++ [letter] ++ ": " ++ password
+
+parseLine :: ReadP Line
+parseLine = do
+    num1 <- readDecP
+    string "-"
+    num2 <- readDecP
+    string " "
+    letter <- get
+    string ": "
+    password <- munch1 $ const True
+    eof
+    return (Line num1 num2 letter password)
+
+valid_1 :: Line -> Bool
+valid_1 (Line min max letter password) = within min max $ length $ filter (== letter) password
+    where within x y z = x <= z && z <= y
+
+valid_2 :: Line -> Bool
+valid_2 (Line pos1 pos2 letter password) = (matchesAt pos1) /= (matchesAt pos2)
+    where matchesAt pos = password !! (pos-1) == letter
+
+main = runAoC (map (fromJust . oneCompleteResult parseLine) . lines) (length . filter valid_1) (length . filter valid_2)

2020/day2/day2.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+import re
+import sys
+from collections import Counter
+
+r = re.compile(r'(\d+)-(\d+) (.): (.*)')
+
+def requirements_met_1(min_required, max_required, letter, password):
+    return min_required <= Counter(password)[letter] <= max_required
+
+def requirements_met_2(first_pos, second_pos, letter, password):
+    return (password[first_pos-1] == letter) != (password[second_pos-1] == letter)
+
+def do_line(req_func, line):
+    min_required, max_required, letter, password = r.match(line).groups()
+    return req_func(int(min_required), int(max_required), letter, password)
+
+if __name__ == '__main__':
+    lines = list(sys.stdin.readlines())
+
+    for func in (requirements_met_1, requirements_met_2):
+        print(len(list(filter(lambda line: do_line(func, line), lines))))

2020/day2/vhdl/.gitignore

@@ -0,0 +1,5 @@
+workdir/
+*.o
+*.ghw
+day2
+top_syn.vhd

2020/day2/vhdl/day2.vhdl

@@ -0,0 +1,16 @@
+configuration day2 of sim is
+	for aoc_stdio
+		for dut_inst: dut
+			use entity work.top port map (
+				clk => clk,
+				reset => reset,
+
+				char => char,
+				input_valid => input_valid,
+
+				num_verified => output,
+				output_valid => output_valid
+			);
+		end for;
+	end for;
+end configuration;

2020/day2/vhdl/parser.vhdl

@@ -0,0 +1,81 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+use work.util.all;
+
+entity parser is
+	port (
+		clk : in std_logic;
+		reset : in std_logic;
+
+		is_data   : out std_logic;
+		record_end : out std_logic;
+
+		char : in character;
+		input_valid : in std_logic;
+
+		num1, num2 : out natural range 0 to 99;
+		letter : out character
+	);
+end entity;
+
+architecture behaviour of parser is
+	type state_t is (S_NUM1, S_NUM2, S_LETTER, S_COLON, S_END_SPACE, S_DATA);
+	signal state : state_t := S_NUM1;
+
+	type multiples_lookup_t is array(digit_t) of natural range 0 to 90;
+	constant TEN_MULTIPLES : multiples_lookup_t := (0, 10, 20, 30, 40, 50, 60, 70, 80, 90);
+
+	-- most significant digit of number
+	signal prev_digit : digit_t := 0;
+	signal current_digit : digit_t;
+	signal complete_num : natural range 0 to 99;
+begin
+	current_digit <= char_to_digit(char);
+	complete_num <= TEN_MULTIPLES(prev_digit) + current_digit;
+
+	process(clk)
+	begin
+		if rising_edge(clk) then
+			record_end <= '0';
+
+			if reset then
+				prev_digit <= 0;
+				state <= S_NUM1;
+			elsif input_valid then
+				prev_digit <= 0;
+
+				case state is
+					when S_NUM1 =>
+						if char = '-' then
+							state <= S_NUM2;
+						else
+							num1 <= complete_num;
+							prev_digit <= current_digit;
+						end if;
+					when S_NUM2 =>
+						if char = ' ' then
+							state <= S_LETTER;
+						else
+							num2 <= complete_num;
+							prev_digit <= current_digit;
+						end if;
+					when S_LETTER =>
+						letter <= char;
+						state <= S_COLON;
+					when S_COLON =>
+						state <= S_END_SPACE;
+					when S_END_SPACE =>
+						state <= S_DATA;
+					when S_DATA =>
+						if char = LF then
+							state <= S_NUM1;
+							record_end <= '1';
+						end if;
+				end case;
+			end if;
+		end if;
+	end process;
+
+	is_data <= '1' when state = S_DATA else '0';
+end architecture;

2020/day2/vhdl/run.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+source "$COMMON_DIR/vhdl_run.sh"
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+DUT_OUTPUT_WIDTH=12
+test_synth day2 parser.vhdl verifier.vhdl top.vhdl

2020/day2/vhdl/sim.gtkw

@@ -0,0 +1,46 @@
+[*]
+[*] GTKWave Analyzer v3.3.109 (w)1999-2020 BSI
+[*] Wed Dec  1 11:30:36 2021
+[*]
+[dumpfile] "/home/xiretza/dev/advent-of-code/2020/day2/vhdl/workdir/sim1.ghw"
+[dumpfile_mtime] "Wed Dec  1 11:29:37 2021"
+[dumpfile_size] 408417
+[savefile] "/home/xiretza/dev/advent-of-code/2020/day2/vhdl/sim.gtkw"
+[timestart] 411833500000
+[size] 1920 1035
+[pos] -1 -1
+*-25.864407 520000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+[treeopen] top.
+[treeopen] top.sim.
+[treeopen] top.sim.top.
+[sst_width] 221
+[signals_width] 260
+[sst_expanded] 1
+[sst_vpaned_height] 233
+@28
+top.sim.clk
+top.sim.reset
+@420
+top.sim.top.char
+@28
+top.sim.input_valid
+@200
+-
+@28
+top.sim.top.parser_inst.is_data
+@420
+top.sim.top.num1
+top.sim.top.num2
+top.sim.top.letter
+@200
+-
+@29
+top.sim.top.record_end
+@28
+top.sim.top.verified
+@200
+-
+@24
+#{top.sim.num_verified[11:0]} top.sim.num_verified[11] top.sim.num_verified[10] top.sim.num_verified[9] top.sim.num_verified[8] top.sim.num_verified[7] top.sim.num_verified[6] top.sim.num_verified[5] top.sim.num_verified[4] top.sim.num_verified[3] top.sim.num_verified[2] top.sim.num_verified[1] top.sim.num_verified[0]
+[pattern_trace] 1
+[pattern_trace] 0

2020/day2/vhdl/top.vhdl

@@ -0,0 +1,87 @@
+library ieee;
+use ieee.std_logic_1164.all,
+    ieee.numeric_std.all;
+
+entity top is
+	generic (
+		OUTPUT_WIDTH : positive;
+		STEP : natural range 1 to 2
+	);
+	port (
+		clk : in std_logic;
+		reset : in std_logic;
+		char  : in character;
+
+		input_valid : in std_logic;
+
+		num_verified : out unsigned(OUTPUT_WIDTH-1 downto 0) := (others => '0');
+		output_valid : out std_logic
+	);
+end entity;
+
+architecture behaviour of top is
+	signal is_data : std_logic;
+	signal num1, num2 : natural range 0 to 99;
+	signal letter : character;
+
+	signal record_end : std_logic;
+
+	signal verified : std_logic;
+begin
+	parser_inst: entity work.parser
+		port map (
+			clk   => clk,
+			reset => reset,
+
+			record_end => record_end,
+			is_data   => is_data,
+
+			char   => char,
+			input_valid => input_valid,
+
+			num1   => num1,
+			num2   => num2,
+			letter => letter
+		);
+
+	generate_verifier: if step = 1 generate
+		verifier_inst: entity work.verifier(step1)
+			port map (
+				clk => clk,
+				reset => reset or record_end,
+				enable => is_data and input_valid,
+				num1   => num1,
+				num2   => num2,
+				letter => letter,
+				char   => char,
+				verified => verified
+			);
+	elsif step = 2 generate
+		verifier_inst: entity work.verifier(step2)
+			port map (
+				clk => clk,
+				reset => reset or record_end,
+				enable => is_data and input_valid,
+				num1   => num1,
+				num2   => num2,
+				letter => letter,
+				char   => char,
+				verified => verified
+			);
+	else generate
+		assert false report "Bad value for ""step""" severity failure;
+	end generate;
+
+	process(clk)
+	begin
+		if rising_edge(clk) then
+			if reset then
+				num_verified <= (others => '0');
+			elsif record_end and verified then
+				num_verified <= num_verified + 1;
+			end if;
+		end if;
+	end process;
+
+	output_valid <= '1';
+end architecture;

2020/day2/vhdl/verifier.vhdl

@@ -0,0 +1,58 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity verifier is
+	port (
+		clk : in std_logic;
+		reset : in std_logic;
+		enable : in std_logic;
+
+		num1, num2 : in natural range 0 to 99;
+		letter : in character;
+
+		char : in character;
+
+		verified : out std_logic
+	);
+end entity;
+
+architecture step1 of verifier is
+	signal count : natural range 0 to 99;
+begin
+	process(clk)
+	begin
+		if rising_edge(clk) then
+			if reset then
+				count <= 0;
+			elsif enable then
+				if char = letter then
+					count <= count + 1;
+				end if;
+			end if;
+		end if;
+	end process;
+
+	verified <= '1' when num1 <= count and count <= num2 else '0';
+end architecture;
+
+architecture step2 of verifier is
+	signal count : natural range 1 to 99;
+	signal parity : std_logic;
+begin
+	process(clk)
+	begin
+		if rising_edge(clk) then
+			if reset then
+				count <= 1;
+				parity <= '0';
+			elsif enable then
+				count <= count + 1;
+				if (count = num1 or count = num2) and char = letter then
+					parity <= not parity;
+				end if;
+			end if;
+		end if;
+	end process;
+
+	verified <= parity;
+end architecture;

2020/day21/day21.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+import sys
+
+def parse_line(line):
+    ingredients, allergens = line.split('(contains ')
+    return (set(ingredients.strip().split(' ')), set(allergens.strip().strip(')').split(', ')))
+
+def reduce(allergen_name_candidates):
+    name, allergen = next((list(names)[0], allergen) for allergen, names in allergen_name_candidates.items() if len(names) == 1)
+    for names in allergen_name_candidates.values():
+        names.discard(name)
+    del allergen_name_candidates[allergen]
+    return name, allergen
+
+if __name__ == '__main__':
+    lines = [parse_line(line) for line in sys.stdin.readlines()]
+    allergens = set.union(*(allergens for _, allergens in lines))
+
+    allergen_name_candidates = {}
+    for allergen in allergens:
+        allergen_name_candidates[allergen] = set.intersection(*(ingredients for ingredients, allergens in lines if allergen in allergens))
+
+    allergen_names = {}
+    while allergen_name_candidates:
+        name, allergen = reduce(allergen_name_candidates)
+        assert name not in allergen_names
+        allergen_names[name] = allergen
+
+    total = sum(len(ingredients - set(allergen_names)) for ingredients, _ in lines)
+    print(total)
+
+    names = ','.join(name for name, _ in sorted(list(allergen_names.items()), key=lambda x: x[1]))
+    print(names)

2020/day24/day24.hs

@@ -0,0 +1,33 @@
+module Day24 where
+
+import AoC
+import Conway
+
+import Data.List
+import qualified Data.Set as S
+import Optics.Core hiding (Index)
+import Optics.TH
+
+data Coord = Coord { east :: Int
+                   , northeast :: Int
+                   } deriving (Eq, Ord)
+
+instance Index Coord where
+    neighbours c = map (addIndex c . uncurry Coord) offsets
+        where offsets = [(0, -1), (0, 1), (1, -1), (1, 0), (-1, 0), (-1, 1)]
+    addIndex (Coord x1 y1) (Coord x2 y2) = Coord (x1 + x2) (y1 + y2)
+
+parseSteps :: String -> Coord
+parseSteps [] = Coord 0 0
+parseSteps xs = case xs of
+                  ('n':'w':xs) -> go (-1, 1) xs
+                  ('w':xs)     -> go (-1, 0) xs
+                  ('s':'w':xs) -> go (0, -1) xs
+                  ('n':'e':xs) -> go (0, 1) xs
+                  ('e':xs)     -> go (1, 0) xs
+                  ('s':'e':xs) -> go (1, -1) xs
+    where go (e, ne) xs = addIndex (Coord e ne) $ parseSteps xs
+
+main = runAoC (onlySet . map parseSteps . lines) length (length . conwayN 100 . S.fromList)
+    where onlySet = map head . filter (odd . length) . group . sort
+          conwayN n = last . take n . tail . iterate (update (==2) (`notElem` [1, 2]))

2020/day3/day3.hs

@@ -0,0 +1,28 @@
+import AoC
+
+import Control.Applicative (empty)
+import Control.Monad.Zip (mzip)
+import Data.List (intercalate)
+import Data.Maybe (catMaybes)
+
+compose2 :: (a' -> b' -> c) -> (a -> a') -> (b -> b') -> a -> b -> c
+compose2 f g h x y = f (g x) (h y)
+
+(??) :: Functor f => f (a -> b) -> a -> f b
+f ?? x = fmap ($ x) f
+
+countHits :: (Int, Int) -> [[Bool]] -> Int
+countHits = length . filterMap lookup . catMaybes .: compose2 (zipWith mzip) maybeIndices justLines
+    where justRightSteps = map (pure . Just) . enumFromThen 0
+          downNothings = flip replicate Nothing . pred
+          maybeIndices = uncurry $ compose2 (flip intercalate) justRightSteps downNothings
+          justLines = map Just
+          lookup = uncurry $ flip (!!)
+          filterMap = filter id .: map
+
+treeCharToBool :: Char -> Bool
+treeCharToBool = (== '#')
+
+main = runAoC (map (cycle . map treeCharToBool) . lines) part1 part2
+    where part1 = countHits (3, 1)
+          part2 = product . (fmap countHits [(1,1), (3,1), (5,1), (7,1), (1,2)] ??)

2020/day3/day3.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+import sys
+
+def count_trees(right, down, lines):
+    n = 0
+    for i, line in enumerate(lines[::down]):
+        c = line[(i*right) % len(line)]
+        if c == '#':
+            n += 1
+    return n
+
+if __name__ == '__main__':
+    lines = [line.strip() for line in sys.stdin.readlines()]
+
+    print(count_trees(3, 1, lines))
+
+    hits_multiplied = 1
+    for slope in ((1,1), (3,1), (5,1), (7,1), (1,2)):
+        hits_multiplied *= count_trees(*slope, lines)
+    print(hits_multiplied)

2020/day4/day4.hs

@@ -0,0 +1,97 @@
+import AoC
+
+import Control.Applicative ((<|>))
+import Control.Monad (guard, mfilter)
+import Data.Char (isDigit)
+import Data.List (intercalate)
+import Data.Maybe (mapMaybe)
+import Text.ParserCombinators.ReadP
+import Text.Read (readMaybe)
+
+data HeightUnit = Centimeter | Inch deriving (Show, Eq)
+data ColourSpec = Amber | Blue | Brown | Gray | Green | Hazel | Other
+                deriving (Show, Eq)
+
+data Field = BirthYear Int
+           | IssueYear Int
+           | ExpirationYear Int
+           | Height Int HeightUnit
+           | HairColour String
+           | EyeColour ColourSpec
+           | PassportID String
+           | CountryID String
+           deriving (Show, Eq)
+
+fieldSpecs :: [(String, ReadP Field)]
+fieldSpecs = [ ("byr", BirthYear <$> parseYearIn 1920 2002)
+             , ("iyr", IssueYear <$> parseYearIn 2010 2020)
+             , ("eyr", ExpirationYear <$> parseYearIn 2020 2030)
+             , ("hgt", do h <- parseNumber 2 <|> parseNumber 3
+                          u <- parseHeightUnit
+                          case u of
+                            Inch -> guard $ within 59 76 h
+                            Centimeter -> guard $ within 150 193 h
+                          return $ Height h u)
+             , ("hcl", char '#' >> HairColour <$> count 6 parseHexDigit)
+             , ("ecl", EyeColour <$> parseColourSpec)
+             , ("pid", PassportID <$> count 9 (satisfy $ const True))
+             , ("cid", CountryID <$> munch1 (/= ' '))
+             ]
+    where parseYearIn = flip mfilter (parseNumber 4) .: within
+          parseHexDigit = choice . map char $ ['0'..'9']++['a'..'f']
+
+within :: Ord a => a -> a -> a -> Bool
+within a b x = a <= x && x <= b
+
+parseNumber :: (Num a, Read a) => Int -> ReadP a
+parseNumber n = do
+    Just digits <- readMaybe <$> count n (satisfy isDigit)
+    return digits
+
+parseHeightUnit :: ReadP HeightUnit
+parseHeightUnit = choice [ string "cm" >> return Centimeter
+                         , string "in" >> return Inch
+                         ]
+
+parseColourSpec :: ReadP ColourSpec
+parseColourSpec = choice [ string "amb" >> return Amber
+                          , string "blu" >> return Blue
+                          , string "brn" >> return Brown
+                          , string "gry" >> return Gray
+                          , string "grn" >> return Green
+                          , string "hzl" >> return Hazel
+                          , string "oth" >> return Other
+                          ]
+
+parseKeyValue :: ReadP k -> ReadP v -> ReadP (k, v)
+parseKeyValue kp vp = do k <- kp
+                         char ':'
+                         v <- vp
+                         return (k, v)
+
+parseFieldName :: ReadP String
+parseFieldName = fmap fst $ choice
+                    $ map (\(k, _) -> parseKeyValue (string k) (munch1 (/= ' ')))
+                    $ fieldSpecs
+
+parseField :: ReadP Field
+parseField = fmap snd $ choice
+                    $ map (\(k, v) -> parseKeyValue (string k) v)
+                    $ fieldSpecs
+
+spaceSeparated :: ReadP a -> ReadP [a]
+spaceSeparated = flip sepBy (many1 $ char ' ')
+
+parseFieldNames :: ReadP [String]
+parseFieldNames = spaceSeparated parseFieldName
+
+parsePassport :: ReadP [Field]
+parsePassport = spaceSeparated parseField
+
+hasAllRequiredFields :: String -> Bool
+hasAllRequiredFields = maybe False containsAllFields . fieldNames
+    where requiredFieldNames = ["byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"]
+          containsAllFields fields = all (`elem` fields) requiredFieldNames
+          fieldNames = oneCompleteResult parseFieldNames
+
+main = runAoC (filter hasAllRequiredFields . map unwords . splitOnEmptyLines) length (length . mapMaybe (oneCompleteResult parsePassport))

2020/day4/day4.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+
+import sys
+
+def within(a, b, x):
+    return a <= x <= b
+
+PASSPORT_FIELDS = {
+        'byr': lambda s: len(s) == 4 and within(1920, 2002, int(s)),
+        'iyr': lambda s: len(s) == 4 and within(2010, 2020, int(s)),
+        'eyr': lambda s: len(s) == 4 and within(2020, 2030, int(s)),
+        'hgt': lambda s: within(*{'cm': (150, 193), 'in': (59, 76)}[s[-2:]], int(s[:-2])),
+        'hcl': lambda s: len(s) == 7 and s[0] == '#' and all(c in "0123456789abcdef" for c in s[1:]),
+        'ecl': lambda s: s in ('amb', 'blu', 'brn', 'gry', 'grn', 'hzl', 'oth'),
+        'pid': lambda s: len(s) == 9 and s.isdigit(),
+}
+
+def parse_passport(line):
+    d = {}
+    for entry in line.split():
+        k, v = entry.split(':', maxsplit=1)
+        d[k] = v
+    return d
+
+def check_passport_fields_exist(passport):
+    return set(PASSPORT_FIELDS.keys()) <= set(passport.keys())
+
+def check_passport_fields_valid(passport):
+    for name, spec in PASSPORT_FIELDS.items():
+        try:
+            valid = spec(passport[name])
+        except:
+            valid = False
+
+        if not valid:
+            return False
+    return True
+
+def split_on(f, it):
+    current_part = []
+
+    for el in it:
+        if f(el):
+            yield current_part
+            current_part = []
+        else:
+            current_part.append(el)
+
+    if current_part != []:
+        yield current_part
+
+if __name__ == '__main__':
+    lines = [line.strip() for line in sys.stdin.readlines()]
+
+    specs = list(' '.join(lines) for lines in split_on(lambda l: l == "", lines))
+
+    passports = [parse_passport(spec) for spec in specs]
+    print(len(list(filter(check_passport_fields_exist, passports))))
+    print(len(list(filter(check_passport_fields_valid, passports))))

2020/day5/day5.hs

@@ -0,0 +1,23 @@
+import AoC
+
+import Data.List (sort)
+import Data.Maybe (fromJust)
+import Numeric (readInt)
+import Text.ParserCombinators.ReadP
+
+binarify :: String -> Maybe Int
+binarify = oneCompleteResult . readS_to_P $ readInt 2 (`elem` "BFLR") digitValue
+    where digitValue 'F' = 0
+          digitValue 'B' = 1
+          digitValue 'L' = 0
+          digitValue 'R' = 1
+
+findHole :: (Enum a, Eq a) => [a] -> Maybe a
+findHole (x:y:ys) | y == next = findHole $ y:ys
+                  | otherwise = Just next
+                  where next = succ x
+findHole _ = Nothing
+
+main = runAoC (map (fromJust . binarify) . lines) part1 part2
+    where part1 = foldr1 max
+          part2 = fromJust . findHole . sort

2020/day6/day6.hs

@@ -0,0 +1,9 @@
+import AoC
+
+import qualified Data.Set as S
+import           Data.Set (Set)
+
+main = runAoC ((fmap . fmap) S.fromList . splitOnEmptyLines) part1 part2
+    where part1 = countSetsFolded S.union
+          part2 = countSetsFolded S.intersection
+          countSetsFolded f = sum . map (S.size . foldr1 f)

2020/day7/day7.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+from collections import defaultdict
+import regex
+import sys
+
+RULE_REGEX = regex.compile(r'(.*) bags contain (?:(no|\d+) (.*?) bags?(?:, )?)+\.')
+
+def process_rules(rules):
+    rules_dict = {}
+    for rule in rules:
+        m = regex.fullmatch(RULE_REGEX, rule)
+        if m is None:
+            raise ValueError(f"Couldn't parse rule: {rule!r}")
+        colour = m.group(1)
+        child_nums = m.captures(2)
+        child_colours = m.captures(3)
+
+        children = {}
+
+        for n, c in zip(child_nums, child_colours):
+            if n == 'no':
+                continue
+            children[c] = int(n)
+
+        rules_dict[colour] = children
+
+    return rules_dict
+
+def parents_of(rules, colour):
+    parents = set()
+    for parent, children in rules.items():
+        if colour in children:
+            parents.add(parent)
+            parents |= parents_of(rules, parent)
+    return parents
+
+def children_of(rules, colour):
+    children = defaultdict(lambda: 0)
+    for child_colour, child_num in rules[colour].items():
+        children[child_colour] += child_num
+        for col, num in children_of(rules, child_colour).items():
+            children[col] += child_num * num
+    return children
+
+if __name__ == '__main__':
+    bag_rules = [rule.strip() for rule in sys.stdin.readlines()]
+    rules = process_rules(bag_rules)
+    print(len(parents_of(rules, 'shiny gold')))
+    print(sum(children_of(rules, 'shiny gold').values()))

2020/day8/day8.hs

@@ -0,0 +1,119 @@
+{-# LANGUAGE FlexibleContexts #-}
+
+import AoC
+
+import Control.Applicative
+import Control.Monad
+import Control.Monad.ST
+import Control.Monad.Trans.Class
+import Control.Monad.Trans.Except
+import Control.Monad.Trans.Maybe
+import Data.Array.ST
+import Data.Maybe
+import Text.ParserCombinators.ReadP
+import Text.Read.Lex
+
+data Instruction = Nop Int | Acc Int | Jmp Int deriving (Show)
+data MemoryCell = MemoryCell { instruction :: Instruction
+                             , executed :: Bool
+                             }
+                             deriving (Show)
+type Memory s = STArray s Int MemoryCell
+data Machine s = Machine { pc :: Int
+                         , acc :: Int
+                         , memory :: Memory s
+                         }
+
+data RunError = OutOfRange | WouldLoop | Breakpoint deriving (Show)
+
+type MachineRunner s = Machine s -> ExceptT RunError (ST s) (Machine s)
+
+parseInstruction :: ReadP Instruction
+parseInstruction = choice [ Nop <$> parseIns "nop"
+                          , Acc <$> parseIns "acc"
+                          , Jmp <$> parseIns "jmp"
+                          ]
+    where parseIns name = string name >> char ' ' >> parseNumber
+          parseNumber = do
+              sign <- option '+' (choice $ map char $ "+-")
+              num <- readDecP
+              return $ case sign of
+                         '+' -> num
+                         '-' -> -num
+
+newMemory :: [Instruction] -> ST s (Memory s)
+newMemory insns = newListArray (0, length insns-1) $ [MemoryCell { instruction = ins, executed = False } | ins <- insns]
+
+newMachine :: [Instruction] -> ST s (Machine s)
+newMachine insns = do
+    mem <- newMemory insns
+    return $ Machine { pc = 0, acc = 0, memory = mem }
+
+stepMachine :: Machine s -> ST s (Machine s)
+stepMachine m = do
+    cell <- readArray (memory m) (pc m)
+    writeArray (memory m) (pc m) $ cell { executed = True }
+    (pcF, accF) <- case instruction cell of
+                     Nop _ -> return ((+1), id)
+                     Acc i -> return ((+1), (+i))
+                     Jmp i -> return ((+i), id)
+    
+    let newPc = pcF $ pc m
+        newAcc = accF $ acc m
+
+    return $ m { pc = newPc, acc = newAcc }
+
+runUnless :: (Machine s -> MaybeT (ST s) RunError) -> MachineRunner s -> MachineRunner s
+runUnless p stepper m = do
+    res <- lift $ runMaybeT $ p m
+    case res of
+      Nothing -> stepper m
+      Just e -> throwE e
+
+breakOnLoop :: MachineRunner s -> MachineRunner s
+breakOnLoop = runUnless alreadyExecuted
+    where alreadyExecuted m =
+            do cell <- lift $ readArray (memory m) (pc m)
+               unless (executed cell) empty
+               return WouldLoop
+
+breakOnAddr :: Int -> MachineRunner s -> MachineRunner s
+breakOnAddr addr = runUnless $ fetchFrom addr
+    where fetchFrom addr m =
+            do unless (pc m == addr) empty
+               return Breakpoint
+
+runUntilError :: MachineRunner s -> Machine s -> ST s (RunError, Int, Int)
+runUntilError step m = do
+    result <- runExceptT $ step m
+    case result of
+      Right m' -> runUntilError step m'
+      Left e -> return (e, (pc m), (acc m))
+
+part1 :: [Instruction] -> Int
+part1 is = fromJust $ runST $ runMaybeT $ do
+    (WouldLoop, _, acc) <- lift $ newMachine is >>= runUntilError stepper
+    return acc
+    where stepper = breakOnLoop (lift . stepMachine)
+
+tryTerminate :: Machine s -> MaybeT (ST s) Int
+tryTerminate m = do
+    breakpoint <- fmap (\(_, max) -> max + 1) $ lift $ getBounds (memory m)
+    (Breakpoint, _, acc) <- lift $ runUntilError (stepper breakpoint) m
+    return acc
+    where stepper b = breakOnAddr b . breakOnLoop $ (lift . stepMachine)
+
+jmpNopFlips :: [Instruction] -> [[Instruction]]
+jmpNopFlips [] = []
+jmpNopFlips (x:xs) = case x of
+                       Jmp i -> (Nop i:xs) : rest
+                       Nop i -> (Jmp i:xs) : rest
+                       _ -> rest
+    where rest = (x:) <$> jmpNopFlips xs
+
+part2 :: [Instruction] -> Int
+part2 instructions = fromJust $ msum $ runST $ mapM testInstructions possibleInstructions
+    where testInstructions is = runMaybeT $ lift (newMachine is) >>= tryTerminate
+          possibleInstructions = instructions : jmpNopFlips instructions
+
+main = runAoC (map (fromJust . oneCompleteResult parseInstruction) . lines) part1 part2

2020/day9/day9.hs

@@ -0,0 +1,30 @@
+import AoC
+
+import Control.Monad
+import Data.List
+import Data.Maybe
+
+slidingWindow :: Int -> [a] -> [[a]]
+slidingWindow n xs
+  | length xs < n = []
+  | otherwise = take n xs : slidingWindow n (tail xs)
+
+summingTo :: (Eq a, Num a) => Int -> a -> [a] -> Maybe [a]
+n `summingTo` x = find ((==x) . sum) . replicateM n
+
+sublistSummingTo :: (Num a, Ord a) => a -> [a] -> Maybe [a]
+sublistSummingTo n = fmap snd . find ((== n) . fst) . scanl go (0, [])
+    where go = dropNeeded .: addToAcc
+          addToAcc (sum, parts) x = (sum+x, parts++[x])
+          dropNeeded = fromJust . find ((<= n) . fst) . iterate dropPart
+          dropPart (sum, (x:xs)) = (sum-x, xs)
+
+part1 :: [Int] -> Int
+part1 = snd . fromJust . find (not . uncurry doesSum) . map (\xs -> (init xs, last xs)) . slidingWindow 26
+    where doesSum xs y = isJust $ 2 `summingTo` y $ xs
+
+part2 :: [Int] -> Int
+part2 xs = minimum range + maximum range
+    where range = fromJust $ sublistSummingTo (part1 xs) xs
+
+main = runAoC (map read . lines) part1 part2

2021/data/day1.expected

@@ -0,0 +1,2 @@
+1791
+1822

2021/data/day10.expected

@@ -0,0 +1,2 @@
+278475
+3015539998

2021/data/day10.input

@@ -0,0 +1,110 @@
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+[(<(<[(<{({[<(<>{})[()()]>[([]{}){[]<>}]]{{<{}{}>(<><>)}<{{}()}((){})>}}<<{{()[]}((){}}}{{
+{<<<[(<([{<<([()()][()])<{[]<>}[<>()]>>[<(()())<<>{}>>({[]{}}([]<>))]>}])>)([([{{{[[[]()](()
+<<({<{<([([[<[(){}]<<><>>><{()[]}[(){}]>]<(<{}[]>){[[]<>](()[])}>][<[<(){}>[{}[]]]({[][]}((){}))>
+{([{{[(<({{<(<[][]>{()()}){[{}()]}><(<<>())<[]{}>){<{}{}>((){})}>}}((<(<<>[]><()()>)><{[[][]]}<[<>
+[(<{{[{[{<([[[{}[]]<<>>]][[(()[])[(){}]]])({([<>[]]({}<>)){([]{})({}[])}}({(())({}[])}<{<>[]}(()[])>))
+({[([(<{<(<<(([][])(()()))({[]()}(<>[]))><({{}()}[[]()])>>)>[<[([{()<>}<[]<>>]([{}<>]{()()}})<[<{}

2021/data/day12.expected

@@ -0,0 +1,2 @@
+4411
+136767

2021/data/day12.input

@@ -0,0 +1,24 @@
+yb-start
+de-vd
+rj-yb
+rj-VP
+OC-de
+MU-de
+end-DN
+vd-end
+WK-vd
+rj-de
+DN-vd
+start-VP
+DN-yb
+vd-MU
+DN-rj
+de-VP
+yb-OC
+start-rj
+oa-MU
+yb-de
+oa-VP
+jv-MU
+yb-MU
+end-OC

2021/data/day13.expected

@@ -0,0 +1,7 @@
+704
+#..#..##...##....##.###..####.#..#..##.
+#..#.#..#.#..#....#.#..#.#....#..#.#..#
+####.#....#..#....#.###..###..####.#...
+#..#.#.##.####....#.#..#.#....#..#.#...
+#..#.#..#.#..#.#..#.#..#.#....#..#.#..#
+#..#..###.#..#..##..###..####.#..#..##.

2021/data/day13.input

@@ -0,0 +1,852 @@
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+
+fold along x=655
+fold along y=447
+fold along x=327
+fold along y=223
+fold along x=163
+fold along y=111
+fold along x=81
+fold along y=55
+fold along x=40
+fold along y=27
+fold along y=13
+fold along y=6

2021/data/day14.expected

@@ -0,0 +1,2 @@
+2068
+2158894777814

2021/data/day14.input

@@ -0,0 +1,102 @@
+KFFNFNNBCNOBCNPFVKCP
+
+PB -> F
+KC -> F
+OB -> H
+HV -> N
+FS -> S
+CK -> K
+CC -> V
+HF -> K
+VP -> C
+CP -> S
+HO -> N
+OS -> N
+HS -> O
+HB -> F
+OH -> V
+PP -> B
+BS -> N
+VS -> F
+CN -> B
+KB -> O
+KH -> B
+SS -> K
+NS -> B
+BP -> V
+FB -> S
+PV -> O
+NB -> S
+FC -> F
+VB -> P
+PC -> O
+VF -> K
+BV -> K
+OO -> B
+PN -> N
+NH -> H
+SP -> B
+KF -> O
+BN -> F
+OF -> C
+VV -> H
+BB -> P
+KN -> H
+PO -> C
+BH -> O
+HC -> B
+VO -> O
+FV -> B
+PK -> V
+KO -> H
+BK -> V
+SC -> S
+KV -> B
+OV -> S
+HK -> F
+NP -> V
+VH -> P
+OK -> S
+SO -> C
+PF -> C
+SH -> N
+FP -> V
+CS -> C
+HH -> O
+KK -> P
+BF -> S
+NN -> O
+OC -> C
+CB -> O
+BO -> V
+ON -> F
+BC -> P
+NO -> N
+KS -> H
+FF -> V
+FN -> V
+HP -> N
+VC -> F
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+CV -> P
+CH -> H
+HN -> N
+SB -> H
+NK -> B
+SF -> H

2021/data/day16.expected

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2021/data/day2.expected

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2021/data/day22.expected

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