C1311213331333132332133313331333133313331333133313331333131211111311211311   >>    C131121333133313233213331333133313331333133313331333133313121111131121131   <<    C1311213331333132332133313331333133313331333133313331333131211111311211313   >>      C1311213331333132332133313331333133313331333133313331333131211111311211312   >>