C32133223331333131133132212111133133313331333132311311312332322221   >>    C3213322333133313113313221211113313331333133313231131131233232222   <<    C32133223331333131133132212111133133313331333132311311312332322223   >>      C32133223331333131133132212111133133313331333132311311312332322222   >>