diff --git a/2023/src/samples/12.txt b/2023/src/samples/12.txt
new file mode 100644
index 0000000..e925935
--- /dev/null
+++ b/2023/src/samples/12.txt
@@ -0,0 +1,6 @@
+???.### 1,1,3
+.??..??...?##. 1,1,3
+?#?#?#?#?#?#?#? 1,3,1,6
+????.#...#... 4,1,1
+????.######..#####. 1,6,5
+?###???????? 3,2,1