diff --git a/2d/1d/01661b0c21fad05532f8a0bbfe0efbe2663a b/2d/1d/01661b0c21fad05532f8a0bbfe0efbe2663a
new file mode 100644
index 00000000000..c9069b2c157
--- /dev/null
+++ b/2d/1d/01661b0c21fad05532f8a0bbfe0efbe2663a
@@ -0,0 +1 @@
+Author: https://github.com/null