C31231211113313112133313331311331333133313331333133313331333133313331233112331   >>    C3123121111331311213331333131133133313331333133313331333133313331333123311233   <<    C31231211113313112133313331311331333133313331333133313331333133313331233112333   >>      C31231211113313112133313331311331333133313331333133313331333133313331233112332   >>