C3123121111331312121111331333133313331331121133133313132233313111   >>    C312312111133131212111133133313331333133112113313331313223331311   <<    C3123121111331312121111331333133313331331121133133313132233313113   >>      C3123121111331312121111331333133313331331121133133313132233313112   >>