C31231211111211111312133313331333133313331333133321123231323331322331311211   >>    C3123121111121111131213331333133313331333133313332112323132333132233131121   <<    C31231211111211111312133313331333133313331333133321123231323331322331311213   >>      C31231211111211111312133313331333133313331333133321123231323331322331311212   >>