Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n50.hea
@@ -0,0 +1,3 @@
+n50 2 128 230400
+n50.dat 16 200/mV 12 0 -14 -8852 0 ECG0
+n50.dat 16 200/mV 12 0 8 4094 0 ECG1