Switch to side-by-side view

--- a
+++ b/apnea-ecg-database-1.0.0/a04r.hea
@@ -0,0 +1,5 @@
+a04r 4 100 2979796
+a04r.dat 16 20000 16 0 -2807 -17832 0 Resp C
+a04r.dat 16 20000 16 0 -2880 -26050 0 Resp A
+a04r.dat 16 20000 16 0 2179 4098 0 Resp N
+a04r.dat 16 1 16 0 93 -8020 0 SpO2