C3123121111331312121111331333133313331331121133133313331121133133313221212111   >>    C312312111133131212111133133313331333133112113313331333112113313331322121211   <<    C3123121111331312121111331333133313331331121133133313331121133133313221212113   >>      C3123121111331312121111331333133313331331121133133313331121133133313221212112   >>