C31231211113313112133313331311331333133313331333133313331333133313111123321   >>    C3123121111331311213331333131133133313331333133313331333133313331311112332   <<    C31231211113313112133313331311331333133313331333133313331333133313111123323   >>      C31231211113313112133313331311331333133313331333133313331333133313111123322   >>