C32133223331333131133132212111133133313331311113313222222211231231   >>    C3213322333133313113313221211113313331333131111331322222221123123   <<    C32133223331333131133132212111133133313331311113313222222211231233   >>      C32133223331333131133132212111133133313331311113313222222211231232   >>