diff --git a/8.10/I-Wall/test/in.txt b/8.10/I-Wall/test/in.txt
index e69de29..41320d9 100644
--- a/8.10/I-Wall/test/in.txt
+++ b/8.10/I-Wall/test/in.txt
@@ -0,0 +1,10 @@
+9 100
+200 400
+300 400
+300 300
+400 300
+400 400
+500 400
+500 200
+350 200
+200 200
\ No newline at end of file