C313212111113331323312111133133313331333133313331333133313331323321111132311211   >>    C31321211111333132331211113313331333133313331333133313331333132332111113231121   <<    C313212111113331323312111133133313331333133313331333133313331323321111132311213   >>      C313212111113331323312111133133313331333133313331333133313331323321111132311212   >>