def cvtToUVS(threeByteString):
    data = (b'\x00' + threeByteString)
    (val,) = struct.unpack('>L', data)
    return val
def cvtToUVS(threeByteString):
    data = (b'\x00' + threeByteString)
    (val,) = struct.unpack('>L', data)
    return val