Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p35.hea
@@ -0,0 +1,3 @@
+p35 2 128 230400
+p35.dat 16 200/mV 12 0 126 15469 0 ECG0
+p35.dat 16 200/mV 12 0 -100 28461 0 ECG1