diff --git a/day12.py b/day12.py
index 91c3651..5b83714 100644
--- a/day12.py
+++ b/day12.py
@@ -16,6 +16,7 @@ class Day(AOCDay):
         ],
         [
             (525152, "input12_test"),
+            (25470469710341, "input12_dennis"),
             (4546215031609, "input12"),
         ],
     ]