C131121333133313233213331333133313331312111133133313331322233233311   >>    C13112133313331323321333133313331333131211113313331333132223323331   <<    C131121333133313233213331333133313331312111133133313331322233233313   >>      C131121333133313233213331333133313331312111133133313331322233233312   >>