Switch to side-by-side view

--- a
+++ b/gait-in-neurodegenerative-disease-database-1.0.0/park1.hea
@@ -0,0 +1,3 @@
+park1 2 300 90000
+park1.let 212 1000 12 0 -96 24342 0 left-foot
+park1.rit 212 1000 12 0 235 -21509 0 right-foot