Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n13.hea
@@ -0,0 +1,3 @@
+n13 2 128 230400
+n13.dat 16 200/mV 12 0 15 12897 0 ECG0
+n13.dat 16 200/mV 12 0 46 -14049 0 ECG1