Switch to side-by-side view

--- a
+++ b/gait-in-neurodegenerative-disease-database-1.0.0/park6.hea
@@ -0,0 +1,3 @@
+park6 2 300 90000
+park6.let 212 1000 12 0 -1101 -5536 0 left-foot
+park6.rit 212 1000 12 0 38 14222 0 right-foot