C31231211111211111312133313331333133313331333133321123231323331333131321223321   >>    C3123121111121111131213331333133313331333133313332112323132333133313132122332   <<    C31231211111211111312133313331333133313331333133321123231323331333131321223323   >>      C31231211111211111312133313331333133313331333133321123231323331333131321223322   >>