C31231211111211111312133313331333133313331333133321123231323331333132233211211   >>    C3123121111121111131213331333133313331333133313332112323132333133313223321121   <<    C31231211111211111312133313331333133313331333133321123231323331333132233211213   >>      C31231211111211111312133313331333133313331333133321123231323331333132233211212   >>