Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p30.hea
@@ -0,0 +1,3 @@
+p30 2 128 230400
+p30.dat 16 200/mV 12 0 -37 22286 0 ECG0
+p30.dat 16 200/mV 12 0 23 -17641 0 ECG1