Perfect

SELECT * FROM gallery2 WHERE topic_id="1589622" UNION SELECT * FROM gallery2 WHERE topic_id="1152876" UNION SELECT * FROM gallery2 WHERE topic_id="484968" UNION SELECT * FROM gallery2 WHERE topic_id="1476132" UNION SELECT * FROM gallery2 WHERE topic_id="927862" UNION SELECT * FROM gallery2 WHERE topic_id="1126830" UNION SELECT * FROM gallery2 WHERE topic_id="621499" UNION SELECT * FROM gallery2 WHERE topic_id="1243260" UNION SELECT * FROM gallery2 WHERE topic_id="292748" UNION SELECT * FROM gallery2 WHERE topic_id="1287907" UNION SELECT * FROM gallery2 WHERE topic_id="757990" UNION SELECT * FROM gallery2 WHERE topic_id="1013580" UNION SELECT * FROM gallery2 WHERE topic_id="853096" UNION SELECT * FROM gallery2 WHERE topic_id="874137" UNION SELECT * FROM gallery2 WHERE topic_id="1693002" UNION SELECT * FROM gallery2 WHERE topic_id="1785230"