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

File: <base>/training/ningbo/g2/JS11772.hea (779 bytes) 
JS11772 12 500 5000
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JS11772.mat 16x1+24 1000.0(0)/mV 16 0 -166 -23434 0 V4
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JS11772.mat 16x1+24 1000.0(0)/mV 16 0 -390 15717 0 V6
# Age: 80
# Sex: Male
# Dx: 426177001,270492004,251146004,39732003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown