C111112111133131121133133313331333133311221123121111331323331111   >>    C11111211113313112113313331333133313331122112312111133132333111   <<    C111112111133131121133133313331333133311221123121111331323331113   >>      C111112111133131121133133313331333133311221123121111331323331112   >>