Switch to side-by-side view

--- a
+++ b/gait-in-neurodegenerative-disease-database-1.0.0/park7.hea
@@ -0,0 +1,3 @@
+park7 2 300 90000
+park7.let 212 3000 12 0 -5 -2779 0 left-foot
+park7.rit 212 3000 12 0 285 -4494 0 right-foot