C32133223331333131133132212111133133313331311312332322332222221   >>    C3213322333133313113313221211113313331333131131233232233222222   <<    C32133223331333131133132212111133133313331311312332322332222223   >>      C32133223331333131133132212111133133313331311312332322332222222   >>