C31231211113313112133313331311331333133313331333132322233232311   >>    C3123121111331311213331333131133133313331333133313232223323231   <<    C31231211113313112133313331311331333133313331333132322233232313   >>      C31231211113313112133313331311331333133313331333132322233232312   >>