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

File: <base>/training/ningbo/g2/JS11673.hea (806 bytes) 
JS11673 12 500 5000
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JS11673.mat 16x1+24 1000.0(0)/mV 16 0 -34 4109 0 V2
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# Age: 89
# Sex: Female
# Dx: 270492004,251146004,429622005,59931005,164917005,426177001,713427006,427393009
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown