C13112133313331323321333133313331333133313331313331333131131222331   >>    C1311213331333132332133313331333133313331333131333133313113122233   <<    C13112133313331323321333133313331333133313331313331333131131222333   >>      C13112133313331323321333133313331333133313331313331333131131222332   >>