Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n11.hea
@@ -0,0 +1,3 @@
+n11 2 128 230400
+n11.dat 16 200/mV 12 0 12 -4412 0 ECG0
+n11.dat 16 200/mV 12 0 -4 16922 0 ECG1