C131121333133313233213331333133313331312111133133313331323331311311   >>    C13112133313331323321333133313331333131211113313331333132333131131   <<    C131121333133313233213331333133313331312111133133313331323331311313   >>      C131121333133313233213331333133313331312111133133313331323331311312   >>