C32133223331333131133132212111133133313331333132311311312333311322222221   >>    C3213322333133313113313221211113313331333133313231131131233331132222222   <<    C32133223331333131133132212111133133313331333132311311312333311322222223   >>      C32133223331333131133132212111133133313331333132311311312333311322222222   >>