Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n13c.hea
@@ -0,0 +1,3 @@
+n13c 2 128 38400
+n13c.dat 16 200/mV 12 0 3 -14801 0 ECG0
+n13c.dat 16 200/mV 12 0 -6 -19657 0 ECG1