Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/n29.hea
@@ -0,0 +1,3 @@
+n29 2 128 230400
+n29.dat 16 200/mV 12 0 -57 13272 0 ECG0
+n29.dat 16 200/mV 12 0 -15 15774 0 ECG1