C31231211113313112133313331311331333133313331333132233132331321   >>    C3123121111331311213331333131133133313331333133313223313233132   <<    C31231211113313112133313331311331333133313331333132233132331323   >>      C31231211113313112133313331311331333133313331333132233132331322   >>