Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p09.hea
@@ -0,0 +1,3 @@
+p09 2 128 230400
+p09.dat 16 200/mV 12 0 -11 -31714 0 ECG0
+p09.dat 16 200/mV 12 0 -3 -26757 0 ECG1