C32133223331333131133132212111133133313331333131122121323111123121221   >>    C3213322333133313113313221211113313331333133313112212132311112312122   <<    C32133223331333131133132212111133133313331333131122121323111123121223   >>      C32133223331333131133132212111133133313331333131122121323111123121222   >>