Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n40c.hea
@@ -0,0 +1,3 @@
+n40c 2 128 38400
+n40c.dat 16 200/mV 12 0 -43 -20028 0 ECG0
+n40c.dat 16 200/mV 12 0 -19 27166 0 ECG1