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

File: <base>/training/ningbo/g23/JS33441.hea (739 bytes) 
JS33441 12 500 5000
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JS33441.mat 16x1+24 1000.0(0)/mV 16 0 -10 321 0 aVF
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JS33441.mat 16x1+24 1000.0(0)/mV 16 0 -29 5039 0 V2
JS33441.mat 16x1+24 1000.0(0)/mV 16 0 20 8840 0 V3
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JS33441.mat 16x1+24 1000.0(0)/mV 16 0 -15 13396 0 V5
JS33441.mat 16x1+24 1000.0(0)/mV 16 0 -15 18083 0 V6
# Age: 66
# Sex: Male
# Dx: 426177001,164917005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown