Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p13.hea
@@ -0,0 +1,3 @@
+p13 2 128 230400
+p13.dat 16 200/mV 12 0 -11 16081 0 ECG0
+p13.dat 16 200/mV 12 0 -119 30976 0 ECG1