Switch to side-by-side view

--- a
+++ b/paf-prediction-challenge-database-1.0.0/t99.hea
@@ -0,0 +1,3 @@
+t99 2 128 230400
+t99.dat 16 200/mV 12 0 -25 -8656 0 ECG0
+t99.dat 16 200/mV 12 0 -36 -1079 0 ECG1