C32133223331333131133132212111133133313331333131211211232123323321   >>    C3213322333133313113313221211113313331333133313121121123212332332   <<    C32133223331333131133132212111133133313331333131211211232123323323   >>      C32133223331333131133132212111133133313331333131211211232123323322   >>