diff --git a/b3/19/aca81a6d978bf8dc22aa2b40592ed6ed10a5 b/b3/19/aca81a6d978bf8dc22aa2b40592ed6ed10a5
new file mode 100644
index 00000000000..fcaac622975
--- /dev/null
+++ b/b3/19/aca81a6d978bf8dc22aa2b40592ed6ed10a5
@@ -0,0 +1 @@
+Author: https://github.com/bugaevc