C13112133313331323321333133313331333133313331333133313221311113311   >>    C1311213331333132332133313331333133313331333133313331322131111331   <<    C13112133313331323321333133313331333133313331333133313221311113313   >>      C13112133313331323321333133313331333133313331333133313221311113312   >>