C13112133313331323321333133313331333133313331333133313331333133311312111221   >>    C1311213331333132332133313331333133313331333133313331333133313331131211122   <<    C13112133313331323321333133313331333133313331333133313331333133311312111223   >>      C13112133313331323321333133313331333133313331333133313331333133311312111222   >>