C32133223331333131133132212111133133313331333131211211233312211121   >>    C3213322333133313113313221211113313331333133313121121123331221112   <<    C32133223331333131133132212111133133313331333131211211233312211123   >>      C32133223331333131133132212111133133313331333131211211233312211122   >>