C32133223331333131133132212111133133313331333132311311312332312221211   >>    C3213322333133313113313221211113313331333133313231131131233231222121   <<    C32133223331333131133132212111133133313331333132311311312332312221213   >>      C32133223331333131133132212111133133313331333132311311312332312221212   >>