C131121333133313233213331333133313331333132333133313331323233233311   >>    C13112133313331323321333133313331333133313233313331333132323323331   <<    C131121333133313233213331333133313331333132333133313331323233233313   >>      C131121333133313233213331333133313331333132333133313331323233233312   >>