C111112111133131121133133313331333133313331323133313331323133311212111   >>    C11111211113313112113313331333133313331333132313331333132313331121211   <<    C111112111133131121133133313331333133313331323133313331323133311212113   >>      C111112111133131121133133313331333133313331323133313331323133311212112   >>