diff --git a/20/15.txt b/20/15.txt
index 3f10ffe..4fc9d2f 100644
--- a/20/15.txt
+++ b/20/15.txt
@@ -1 +1 @@
-15
\ No newline at end of file
+\v 15 \v 16 15
\ No newline at end of file