C32133223331333131133132212111133133313331333131122121321222221   >>    C3213322333133313113313221211113313331333133313112212132122222   <<    C32133223331333131133132212111133133313331333131122121321222223   >>      C32133223331333131133132212111133133313331333131122121321222222   >>