C31231211113313112133313331311331333133313331333133313311213232231   >>    C3123121111331311213331333131133133313331333133313331331121323223   <<    C31231211113313112133313331311331333133313331333133313311213232233   >>      C31231211113313112133313331311331333133313331333133313311213232232   >>