C31231211113313112133313331311331333133313311211113313331322121311321   >>    C3123121111331311213331333131133133313331331121111331333132212131132   <<    C31231211113313112133313331311331333133313311211113313331322121311323   >>      C31231211113313112133313331311331333133313311211113313331322121311322   >>