C31231211113313112133313331311331333133313331333133313331333133313133313331321   >>    C3123121111331311213331333131133133313331333133313331333133313331313331333132   <<    C31231211113313112133313331311331333133313331333133313331333133313133313331323   >>      C31231211113313112133313331311331333133313331333133313331333133313133313331322   >>