C13112133313331323321333133313331333133313331333131331123222311   >>    C1311213331333132332133313331333133313331333133313133112322231   <<    C13112133313331323321333133313331333133313331333131331123222313   >>      C13112133313331323321333133313331333133313331333131331123222312   >>