Double trouble

SELECT * FROM gallery2 WHERE topic_id="1608689" UNION SELECT * FROM gallery2 WHERE topic_id="788391" UNION SELECT * FROM gallery2 WHERE topic_id="782254" UNION SELECT * FROM gallery2 WHERE topic_id="731194" UNION SELECT * FROM gallery2 WHERE topic_id="1472844" UNION SELECT * FROM gallery2 WHERE topic_id="1158246" UNION SELECT * FROM gallery2 WHERE topic_id="1683128" UNION SELECT * FROM gallery2 WHERE topic_id="1320738" UNION SELECT * FROM gallery2 WHERE topic_id="989633" UNION SELECT * FROM gallery2 WHERE topic_id="1392947" UNION SELECT * FROM gallery2 WHERE topic_id="1521156" UNION SELECT * FROM gallery2 WHERE topic_id="364131" UNION SELECT * FROM gallery2 WHERE topic_id="48972" UNION SELECT * FROM gallery2 WHERE topic_id="1046954" UNION SELECT * FROM gallery2 WHERE topic_id="269105" UNION SELECT * FROM gallery2 WHERE topic_id="1696014"