C13112133313331323321333133313331333133313331333132112312323222231   >>    C1311213331333132332133313331333133313331333133313211231232322223   <<    C13112133313331323321333133313331333133313331333132112312323222233   >>      C13112133313331323321333133313331333133313331333132112312323222232   >>