C31231211113313112133313331311331333133313331333132313223113231   >>    C3123121111331311213331333131133133313331333133313231322311323   <<    C31231211113313112133313331311331333133313331333132313223113233   >>      C31231211113313112133313331311331333133313331333132313223113232   >>