C1311213331333132332133313331333133313331333133313331322221323231   >>    C131121333133313233213331333133313331333133313331333132222132323   <<    C1311213331333132332133313331333133313331333133313331322221323233   >>      C1311213331333132332133313331333133313331333133313331322221323232   >>