C31231211111211111312133313331333133313331333133321123231323331323232132231   >>    C3123121111121111131213331333133313331333133313332112323132333132323213223   <<    C31231211111211111312133313331333133313331333133321123231323331323232132233   >>      C31231211111211111312133313331333133313331333133321123231323331323232132232   >>