C3123121111331312121111331333133313331331121133133313132233313331311211   >>    C312312111133131212111133133313331333133112113313331313223331333131121   <<    C3123121111331312121111331333133313331331121133133313132233313331311213   >>      C3123121111331312121111331333133313331331121133133313132233313331311212   >>