C31231211113313121211113313331333133313311211331333133313112331323132233231   >>    C3123121111331312121111331333133313331331121133133313331311233132313223323   <<    C31231211113313121211113313331333133313311211331333133313112331323132233233   >>      C31231211113313121211113313331333133313311211331333133313112331323132233232   >>