C313212111113331323312111133133313331333133313331333133313331323321111123222311   >>    C31321211111333132331211113313331333133313331333133313331333132332111112322231   <<    C313212111113331323312111133133313331333133313331333133313331323321111123222313   >>      C313212111113331323312111133133313331333133313331333133313331323321111123222312   >>