Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/p33.hea
@@ -0,0 +1,3 @@
+p33 2 128 230400
+p33.dat 16 200/mV 12 0 -8 -14263 0 ECG0
+p33.dat 16 200/mV 12 0 -66 -9836 0 ECG1