C31231211111211111312133313331333133313331333133321123231323331323222112131   >>    C3123121111121111131213331333133313331333133313332112323132333132322211213   <<    C31231211111211111312133313331333133313331333133321123231323331323222112133   >>      C31231211111211111312133313331333133313331333133321123231323331323222112132   >>