Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p19c.hea
@@ -0,0 +1,3 @@
+p19c 2 128 38400
+p19c.dat 16 200/mV 12 0 99 -10169 0 ECG0
+p19c.dat 16 200/mV 12 0 -63 22960 0 ECG1