C31231211113313121211113313331323133313331333133313132313331322323212331   >>    C3123121111331312121111331333132313331333133313331313231333132232321233   <<    C31231211113313121211113313331323133313331333133313132313331322323212333   >>      C31231211113313121211113313331323133313331333133313132313331322323212332   >>