Big enough?

SELECT * FROM gallery2 WHERE topic_id="29451" UNION SELECT * FROM gallery2 WHERE topic_id="214055" UNION SELECT * FROM gallery2 WHERE topic_id="1253862" UNION SELECT * FROM gallery2 WHERE topic_id="1657122" UNION SELECT * FROM gallery2 WHERE topic_id="572056" UNION SELECT * FROM gallery2 WHERE topic_id="272700" UNION SELECT * FROM gallery2 WHERE topic_id="795963" UNION SELECT * FROM gallery2 WHERE topic_id="30513" UNION SELECT * FROM gallery2 WHERE topic_id="1037300" UNION SELECT * FROM gallery2 WHERE topic_id="451687" UNION SELECT * FROM gallery2 WHERE topic_id="1715692" UNION SELECT * FROM gallery2 WHERE topic_id="1772269" UNION SELECT * FROM gallery2 WHERE topic_id="1052833" UNION SELECT * FROM gallery2 WHERE topic_id="1153516" UNION SELECT * FROM gallery2 WHERE topic_id="1138458" UNION SELECT * FROM gallery2 WHERE topic_id="1557392"