C32133223331333131133132212111133133313331333131211211232233112131   >>    C3213322333133313113313221211113313331333133313121121123223311213   <<    C32133223331333131133132212111133133313331333131211211232233112133   >>      C32133223331333131133132212111133133313331333131211211232233112132   >>