C31231211111211111312133313331333133313331333133321123231323331323132322331321   >>    C3123121111121111131213331333133313331333133313332112323132333132313232233132   <<    C31231211111211111312133313331333133313331333133321123231323331323132322331323   >>      C31231211111211111312133313331333133313331333133321123231323331323132322331322   >>