C131121333133313233213331333133313331333133313331333133313331333111113231   >>    C13112133313331323321333133313331333133313331333133313331333133311111323   <<    C131121333133313233213331333133313331333133313331333133313331333111113233   >>      C131121333133313233213331333133313331333133313331333133313331333111113232   >>