Just put it in already

SELECT * FROM gallery2 WHERE topic_id="1651270" UNION SELECT * FROM gallery2 WHERE topic_id="573912" UNION SELECT * FROM gallery2 WHERE topic_id="529812" UNION SELECT * FROM gallery2 WHERE topic_id="1722007" UNION SELECT * FROM gallery2 WHERE topic_id="814341" UNION SELECT * FROM gallery2 WHERE topic_id="484058" UNION SELECT * FROM gallery2 WHERE topic_id="775021" UNION SELECT * FROM gallery2 WHERE topic_id="587857" UNION SELECT * FROM gallery2 WHERE topic_id="1271322" UNION SELECT * FROM gallery2 WHERE topic_id="294041" UNION SELECT * FROM gallery2 WHERE topic_id="1811163" UNION SELECT * FROM gallery2 WHERE topic_id="138081" UNION SELECT * FROM gallery2 WHERE topic_id="1011609" UNION SELECT * FROM gallery2 WHERE topic_id="1408093" UNION SELECT * FROM gallery2 WHERE topic_id="995083" UNION SELECT * FROM gallery2 WHERE topic_id="1313162"