C31231211111211111312133313331333133313331333133321123231323331333132323213211   >>    C3123121111121111131213331333133313331333133313332112323132333133313232321321   <<    C31231211111211111312133313331333133313331333133321123231323331333132323213213   >>      C31231211111211111312133313331333133313331333133321123231323331333132323213212   >>