Perfect

SELECT * FROM gallery2 WHERE topic_id="942801" UNION SELECT * FROM gallery2 WHERE topic_id="368874" UNION SELECT * FROM gallery2 WHERE topic_id="50824" UNION SELECT * FROM gallery2 WHERE topic_id="744732" UNION SELECT * FROM gallery2 WHERE topic_id="211052" UNION SELECT * FROM gallery2 WHERE topic_id="757055" UNION SELECT * FROM gallery2 WHERE topic_id="1274876" UNION SELECT * FROM gallery2 WHERE topic_id="369434" UNION SELECT * FROM gallery2 WHERE topic_id="1332072" UNION SELECT * FROM gallery2 WHERE topic_id="984193" UNION SELECT * FROM gallery2 WHERE topic_id="609895" UNION SELECT * FROM gallery2 WHERE topic_id="793694" UNION SELECT * FROM gallery2 WHERE topic_id="622437" UNION SELECT * FROM gallery2 WHERE topic_id="1822525" UNION SELECT * FROM gallery2 WHERE topic_id="98525" UNION SELECT * FROM gallery2 WHERE topic_id="160008"