def block2ns(data):
    """ Convert block to N1 and N2 integers
    """
    data = bytearray(data)
    return data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24, data[4
        ] | data[5] << 8 | data[6] << 16 | data[7] << 24
