C313212111113331323312111133133313331333133313331333133313331331121111131122211   >>    C31321211111333132331211113313331333133313331333133313331333133112111113112221   <<    C313212111113331323312111133133313331333133313331333133313331331121111131122213   >>      C313212111113331323312111133133313331333133313331333133313331331121111131122212   >>