Pull out? 18

SELECT * FROM gallery2 WHERE topic_id="1543892" UNION SELECT * FROM gallery2 WHERE topic_id="1743416" UNION SELECT * FROM gallery2 WHERE topic_id="539292" UNION SELECT * FROM gallery2 WHERE topic_id="1505274" UNION SELECT * FROM gallery2 WHERE topic_id="21636" UNION SELECT * FROM gallery2 WHERE topic_id="1037800" UNION SELECT * FROM gallery2 WHERE topic_id="337262" UNION SELECT * FROM gallery2 WHERE topic_id="465489" UNION SELECT * FROM gallery2 WHERE topic_id="1296589" UNION SELECT * FROM gallery2 WHERE topic_id="399111" UNION SELECT * FROM gallery2 WHERE topic_id="306636" UNION SELECT * FROM gallery2 WHERE topic_id="738290" UNION SELECT * FROM gallery2 WHERE topic_id="863662" UNION SELECT * FROM gallery2 WHERE topic_id="1041710" UNION SELECT * FROM gallery2 WHERE topic_id="1627282" UNION SELECT * FROM gallery2 WHERE topic_id="1058832"