Perfect

SELECT * FROM gallery2 WHERE topic_id="1139943" UNION SELECT * FROM gallery2 WHERE topic_id="355267" UNION SELECT * FROM gallery2 WHERE topic_id="1050013" UNION SELECT * FROM gallery2 WHERE topic_id="1664706" UNION SELECT * FROM gallery2 WHERE topic_id="410617" UNION SELECT * FROM gallery2 WHERE topic_id="1199886" UNION SELECT * FROM gallery2 WHERE topic_id="499703" UNION SELECT * FROM gallery2 WHERE topic_id="587661" UNION SELECT * FROM gallery2 WHERE topic_id="1608958" UNION SELECT * FROM gallery2 WHERE topic_id="547656" UNION SELECT * FROM gallery2 WHERE topic_id="890456" UNION SELECT * FROM gallery2 WHERE topic_id="681672" UNION SELECT * FROM gallery2 WHERE topic_id="378256" UNION SELECT * FROM gallery2 WHERE topic_id="1375831" UNION SELECT * FROM gallery2 WHERE topic_id="345636" UNION SELECT * FROM gallery2 WHERE topic_id="721368"