Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n01.hea
@@ -0,0 +1,3 @@
+n01 2 128 230400
+n01.dat 16 200/mV 12 0 -3 20217 0 ECG0
+n01.dat 16 200/mV 12 0 0 -5775 0 ECG1