diff --git a/12/4b/cd743bf164615120349f778bf4e48f6a877b b/12/4b/cd743bf164615120349f778bf4e48f6a877b
new file mode 100644
index 00000000000..b6a99566b22
--- /dev/null
+++ b/12/4b/cd743bf164615120349f778bf4e48f6a877b
@@ -0,0 +1 @@
+Author: https://github.com/BertalanD