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+++ b/mit-bih-normal-sinus-rhythm-database-1.0.0/19830.hea-
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+19830 2 128 10701824 09:56:00
+19830.dat 212 0 12 0 -87 4579 0
+19830.dat 212 0 12 0 -85 -29057 0
+# 50 F