C31231211113313121211113313331323133313331333133313132313331323223331211   >>    C3123121111331312121111331333132313331333133313331313231333132322333121   <<    C31231211113313121211113313331323133313331333133313132313331323223331213   >>      C31231211113313121211113313331323133313331333133313132313331323223331212   >>