C1311213331333132332133313331333133313331333133313331311113313233233313332311   >>    C131121333133313233213331333133313331333133313331333131111331323323331333231   <<    C1311213331333132332133313331333133313331333133313331311113313233233313332313   >>      C1311213331333132332133313331333133313331333133313331311113313233233313332312   >>