Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n37.hea
@@ -0,0 +1,3 @@
+n37 2 128 230400
+n37.dat 16 200/mV 12 0 -61 28794 0 ECG0
+n37.dat 16 200/mV 12 0 -63 4208 0 ECG1