C13112133313331323321333133313331333133313331333133313331312322321211113322321   >>    C1311213331333132332133313331333133313331333133313331333131232232121111332232   <<    C13112133313331323321333133313331333133313331333133313331312322321211113322323   >>      C13112133313331323321333133313331333133313331333133313331312322321211113322322   >>