C31231211113313112133313331311331333133313331333133313331333133313232323132311   >>    C3123121111331311213331333131133133313331333133313331333133313331323232313231   <<    C31231211113313112133313331311331333133313331333133313331333133313232323132313   >>      C31231211113313112133313331311331333133313331333133313331333133313232323132312   >>