diff --git a/f10.md b/f10.md
new file mode 100644
index 0000000..e69de29
diff --git a/f11.md b/f11.md
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--- /dev/null
+++ b/f11.md
@@ -0,0 +1,5 @@
+fix this task
+fix this task #2
+fix 3
+fix 4
+fix 5
diff --git a/f9.md b/f9.md
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