C313212111113331323312111133133313331333133313331333133313331322221211   >>    C31321211111333132331211113313331333133313331333133313331333132222121   <<    C313212111113331323312111133133313331333133313331333133313331322221213   >>      C313212111113331323312111133133313331333133313331333133313331322221212   >>