diff --git a/Packages/Sweep_line_2/examples/Sweep_line_2/example6.cin b/Packages/Sweep_line_2/examples/Sweep_line_2/example6.cin
new file mode 100644
index 00000000000..20678dc2b2f
--- /dev/null
+++ b/Packages/Sweep_line_2/examples/Sweep_line_2/example6.cin
@@ -0,0 +1,5 @@
+4
+0 0 1 1
+0 1 1 0
+0 0 1 0
+0 1 1 1
\ No newline at end of file