diff --git a/f3/72adca5ba117f5ed7a469203330c5f967daa58 b/f3/72adca5ba117f5ed7a469203330c5f967daa58
new file mode 100644
index 0000000..3d91d82
--- /dev/null
+++ b/f3/72adca5ba117f5ed7a469203330c5f967daa58
@@ -0,0 +1 @@
+{"channels":[null]}