Switch to side-by-side view

--- a
+++ b/mit-bih-malignant-ventricular-ectopy-database-1.0.0/615.hea
@@ -0,0 +1,3 @@
+615 2 250 525000
+615.dat 212 200 12 0 -2 -10059 0 ECG
+615.dat 212 200 12 0 -1 -10707 0 ECG