Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/ningbo/g2/JS11951.hea (767 bytes) 
JS11951 12 500 5000
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JS11951.mat 16x1+24 1000.0(0)/mV 16 0 -273 29076 0 aVR
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JS11951.mat 16x1+24 1000.0(0)/mV 16 0 761 -1403 0 V2
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JS11951.mat 16x1+24 1000.0(0)/mV 16 0 2840 3465 0 V4
JS11951.mat 16x1+24 1000.0(0)/mV 16 0 605 16173 0 V5
JS11951.mat 16x1+24 1000.0(0)/mV 16 0 429 -20384 0 V6
# Age: 67
# Sex: Male
# Dx: 426177001,270492004,365413008
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown