Switch to side-by-side view

--- a
+++ b/mit-bih-arrhythmia-database-1.0.0/123.hea
@@ -0,0 +1,6 @@
+123 2 360 650000
+123.dat 212 200 11 1024 863 22856 0 MLII
+123.dat 212 200 11 1024 933 -30643 0 V5
+# 63 F 1482 694 x2
+# Digoxin, Inderal
+# The PVCs are uniform and interpolated.