a b/mit-bih-long-term-ecg-database-1.0.0/14172.hea-
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14172 2 128 9753600
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14172.dat 212 0 12 0 4 -12456 0 record 14172, signal 0
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14172.dat 212 0 12 0 46 -13720 0 record 14172, signal 1
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#Age: 75  Sex: M