C31231211113313112133313331311331333133313331333133313311211111323223331331   >>    C3123121111331311213331333131133133313331333133313331331121111132322333133   <<    C31231211113313112133313331311331333133313331333133313311211111323223331333   >>      C31231211113313112133313331311331333133313331333133313311211111323223331332   >>