C13112133313331323321333133313331333133313331311331323222313123231   >>    C1311213331333132332133313331333133313331333131133132322231312323   <<    C13112133313331323321333133313331333133313331311331323222313123233   >>      C13112133313331323321333133313331333133313331311331323222313123232   >>