Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p19.hea
@@ -0,0 +1,3 @@
+p19 2 128 230400
+p19.dat 16 200/mV 12 0 -23 26917 0 ECG0
+p19.dat 16 200/mV 12 0 -76 16140 0 ECG1