C31231211111211111312133313331333133313331333133321123231323331323213231   >>    C3123121111121111131213331333133313331333133313332112323132333132321323   <<    C31231211111211111312133313331333133313331333133321123231323331323213233   >>      C31231211111211111312133313331333133313331333133321123231323331323213232   >>