C13112133313331323321333133313331333133313331333133313331312322321232313131   >>    C1311213331333132332133313331333133313331333133313331333131232232123231313   <<    C13112133313331323321333133313331333133313331333133313331312322321232313133   >>      C13112133313331323321333133313331333133313331333133313331312322321232313132   >>