Switch to side-by-side view

--- a
+++ b/mit-bih-normal-sinus-rhythm-database-1.0.0/19090.hea
@@ -0,0 +1,4 @@
+19090 2 128 11143168 13:50:00
+19090.dat 212 0 12 0 33 -22240 0 ECG1
+19090.dat 212 0 12 0 17 -8675 0 ECG2
+# 45 M