C32133223331333131133132212111133133313331333131211211232221223132322321   >>    C3213322333133313113313221211113313331333133313121121123222122313232232   <<    C32133223331333131133132212111133133313331333131211211232221223132322323   >>      C32133223331333131133132212111133133313331333131211211232221223132322322   >>