C32133223331333131133132212111133133313331311113313222222122121   >>    C3213322333133313113313221211113313331333131111331322222212212   <<    C32133223331333131133132212111133133313331311113313222222122123   >>      C32133223331333131133132212111133133313331311113313222222122122   >>