1diff --git a/new.txt b/new.txt 2--- a/new.txt 3+++ b/new.txt 4@@ -6,6 +6,10 @@ 5 b11 6 b111 7 b1111 8+b2 9+b22 10+b222 11+b2222 12 c1 13 c11 14 c111