diff --git a/1.txt b/1.txt
new file mode 100644
index 0000000..257cc56
--- /dev/null
+++ b/1.txt
@@ -0,0 +1 @@
+foo
diff --git a/topic.txt b/topic.txt
new file mode 100644
index 0000000..bae351a
--- /dev/null
+++ b/topic.txt
@@ -0,0 +1 @@
+topic-1