diff --git a/2020/data/day23.expected b/2020/data/day23.expected
new file mode 100644
index 0000000..0984d33
--- /dev/null
+++ b/2020/data/day23.expected
@@ -0,0 +1,2 @@
+32658947
+???
diff --git a/2020/data/day23.input b/2020/data/day23.input
new file mode 100644
index 0000000..aea0f77
--- /dev/null
+++ b/2020/data/day23.input
@@ -0,0 +1 @@
+598162734