Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p23c.hea
@@ -0,0 +1,3 @@
+p23c 2 128 38400
+p23c.dat 16 200/mV 12 0 -50 -891 0 ECG0
+p23c.dat 16 200/mV 12 0 16 8274 0 ECG1