C31231211113313112133313331311331333133313331333133313331333133313112113322311   >>    C3123121111331311213331333131133133313331333133313331333133313331311211332231   <<    C31231211113313112133313331311331333133313331333133313331333133313112113322313   >>      C31231211113313112133313331311331333133313331333133313331333133313112113322312   >>