⇣ crcttd ⇣crc100ttd00128crc500ttd00640crc1000ttd01280crc2000ttd02560crc5000ttd064crc10000ttd128⇣ crcttd ⇣crc1,00000ttd1280crc5,00000ttd6400crc10,00000ttd12801crc25,00000ttd32002crc50,00000ttd64004crc100,00000ttd1,28007