diff --git a/data/planes.input b/data/planes.input
new file mode 100644
index 0000000000000000000000000000000000000000..6a52e89546296d49a36239f9991f8bc22497b0ed
--- /dev/null
+++ b/data/planes.input
@@ -0,0 +1,2 @@
+0,1,0,0,0,0,0,1,13
+0,1,0.8,0.015,0.2,0,0,-1,13