diff --git a/1.txt b/1.txt
deleted file mode 100644
index d8263ee9..00000000
--- a/1.txt
+++ /dev/null
@@ -1 +0,0 @@
-2
\ No newline at end of file
diff --git a/b1.txt b/b1.txt
new file mode 100644
index 00000000..611d9870
--- /dev/null
+++ b/b1.txt
@@ -0,0 +1 @@
+b1
\ No newline at end of file