C111112111133131121133133313331333133313331322121133133313331211   >>    C11111211113313112113313331333133313331333132212113313331333121   <<    C111112111133131121133133313331333133313331322121133133313331213   >>      C111112111133131121133133313331333133313331322121133133313331212   >>