C32133223331333131133132212111133133313331311113313222222212312121   >>    C3213322333133313113313221211113313331333131111331322222221231212   <<    C32133223331333131133132212111133133313331311113313222222212312123   >>      C32133223331333131133132212111133133313331311113313222222212312122   >>