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--- a
+++ b/mit-bih-arrhythmia-database-1.0.0/121.hea
@@ -0,0 +1,5 @@
+121 2 360 650000
+121.dat 212 200 11 1024 849 6097 0 MLII
+121.dat 212 200 11 1024 894 6929 0 V1
+# 83 F 1245 167 x2
+# Digoxin, Isordil, Nitropaste