C13112133313331323321333133313331333133313331333133313331333133313113323221211   >>    C1311213331333132332133313331333133313331333133313331333133313331311332322121   <<    C13112133313331323321333133313331333133313331333133313331333133313113323221213   >>      C13112133313331323321333133313331333133313331333133313331333133313113323221212   >>