C111112111133131121133133313331333133313331312111133133313232213331121131211   >>    C11111211113313112113313331333133313331333131211113313331323221333112113121   <<    C111112111133131121133133313331333133313331312111133133313232213331121131213   >>      C111112111133131121133133313331333133313331312111133133313232213331121131212   >>