Stacked

SELECT * FROM gallery2 WHERE topic_id="442042" UNION SELECT * FROM gallery2 WHERE topic_id="959527" UNION SELECT * FROM gallery2 WHERE topic_id="788504" UNION SELECT * FROM gallery2 WHERE topic_id="1433264" UNION SELECT * FROM gallery2 WHERE topic_id="711249" UNION SELECT * FROM gallery2 WHERE topic_id="792247" UNION SELECT * FROM gallery2 WHERE topic_id="408757" UNION SELECT * FROM gallery2 WHERE topic_id="1784000" UNION SELECT * FROM gallery2 WHERE topic_id="557335" UNION SELECT * FROM gallery2 WHERE topic_id="364137" UNION SELECT * FROM gallery2 WHERE topic_id="614088" UNION SELECT * FROM gallery2 WHERE topic_id="1517170" UNION SELECT * FROM gallery2 WHERE topic_id="815740" UNION SELECT * FROM gallery2 WHERE topic_id="443736" UNION SELECT * FROM gallery2 WHERE topic_id="1805991" UNION SELECT * FROM gallery2 WHERE topic_id="1278377"