C111112111133131121133133313331333133313331323133313331333133313331121333111   >>    C11111211113313112113313331333133313331333132313331333133313331333112133311   <<    C111112111133131121133133313331333133313331323133313331333133313331121333113   >>      C111112111133131121133133313331333133313331323133313331333133313331121333112   >>