Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p12c.hea
@@ -0,0 +1,3 @@
+p12c 2 128 38400
+p12c.dat 16 200/mV 12 0 41 28815 0 ECG0
+p12c.dat 16 200/mV 12 0 85 20646 0 ECG1