Switch to side-by-side view

--- a
+++ b/gait-in-neurodegenerative-disease-database-1.0.0/control9.hea
@@ -0,0 +1,3 @@
+control9 2 300 90000
+control9.let 212 3000 12 0 -250 5910 0 left-foot
+control9.rit 212 3000 12 0 79 -30530 0 right-foot