Switch to side-by-side view

--- a
+++ b/gait-in-neurodegenerative-disease-database-1.0.0/control12.hea
@@ -0,0 +1,3 @@
+control12 2 300 90000
+control12.let 212 1000 12 0 412 30702 0 left-foot
+control12.rit 212 1000 12 0 -22 -10203 0 right-foot