diff --git a/a3/493c02f2870edb3563d6965b0c1d93934f4ab2 b/a3/493c02f2870edb3563d6965b0c1d93934f4ab2
new file mode 100644
index 00000000..3d91d82a
--- /dev/null
+++ b/a3/493c02f2870edb3563d6965b0c1d93934f4ab2
@@ -0,0 +1 @@
+{"channels":[null]}