C13112133313331323321333133313331333133313331313331333133323131211331322332311   >>    C1311213331333132332133313331333133313331333131333133313332313121133132233231   <<    C13112133313331323321333133313331333133313331313331333133323131211331322332313   >>      C13112133313331323321333133313331333133313331313331333133323131211331322332312   >>