C111112111133131121133133313331333133313331323132313331333133313331123331211   >>    C11111211113313112113313331333133313331333132313231333133313331333112333121   <<    C111112111133131121133133313331333133313331323132313331333133313331123331213   >>      C111112111133131121133133313331333133313331323132313331333133313331123331212   >>