diff --git a/2021/d12/ex2/input b/2021/d12/ex2/input
new file mode 100644
index 0000000..c2b0b8d
--- /dev/null
+++ b/2021/d12/ex2/input
@@ -0,0 +1,22 @@
+ax-end
+xq-GF
+end-xq
+im-wg
+ax-ie
+start-ws
+ie-ws
+CV-start
+ng-wg
+ng-ie
+GF-ng
+ng-av
+CV-end
+ie-GF
+CV-ie
+im-xq
+start-GF
+GF-ws
+wg-LY
+CV-ws
+im-CV
+CV-wg