diff --git a/Packages/Sweep_line_2/examples/Sweep_line_2/example4.cout b/Packages/Sweep_line_2/examples/Sweep_line_2/example4.cout
new file mode 100644
index 00000000000..00620826d7d
--- /dev/null
+++ b/Packages/Sweep_line_2/examples/Sweep_line_2/example4.cout
@@ -0,0 +1,25 @@
+number of polylines is : 3
+2
+ 0/1 100/1 20/1 100/1
+2
+ 20/1 0/1 20/1 100/1
+2
+ 20/1 0/1 40/1 0/1
+2
+ 40/1 0/1 40/1 60/1
+2
+ 40/1 0/1 60/1 0/1
+2
+ 40/1 60/1 60/1 60/1
+2
+ 60/1 0/1 60/1 60/1
+2
+ 60/1 0/1 120/1 0/1
+2
+ 20/1 100/1 120/1 100/1
+2
+ 120/1 0/1 120/1 100/1
+3
+ 0/1 100/1 70/1 140/1 140/1 100/1
+2
+ 120/1 100/1 140/1 100/1