Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p37.hea
@@ -0,0 +1,3 @@
+p37 2 128 230400
+p37.dat 16 200/mV 12 0 -159 9655 0 ECG0
+p37.dat 16 200/mV 12 0 23 -7300 0 ECG1