C31231211113313112133313331311331333133313331333133313331333133313231131321   >>    C3123121111331311213331333131133133313331333133313331333133313331323113132   <<    C31231211113313112133313331311331333133313331333133313331333133313231131323   >>      C31231211113313112133313331311331333133313331333133313331333133313231131322   >>