C3123121111331312121111331333133313331333121333133313331323112211212111   >>    C312312111133131212111133133313331333133312133313331333132311221121211   <<    C3123121111331312121111331333133313331333121333133313331323112211212113   >>      C3123121111331312121111331333133313331333121333133313331323112211212112   >>