Perfect

SELECT * FROM gallery2 WHERE topic_id="1602004" UNION SELECT * FROM gallery2 WHERE topic_id="429190" UNION SELECT * FROM gallery2 WHERE topic_id="79078" UNION SELECT * FROM gallery2 WHERE topic_id="27656" UNION SELECT * FROM gallery2 WHERE topic_id="1460002" UNION SELECT * FROM gallery2 WHERE topic_id="1175515" UNION SELECT * FROM gallery2 WHERE topic_id="930585" UNION SELECT * FROM gallery2 WHERE topic_id="488597" UNION SELECT * FROM gallery2 WHERE topic_id="929575" UNION SELECT * FROM gallery2 WHERE topic_id="1479995" UNION SELECT * FROM gallery2 WHERE topic_id="131762" UNION SELECT * FROM gallery2 WHERE topic_id="1044998" UNION SELECT * FROM gallery2 WHERE topic_id="442708" UNION SELECT * FROM gallery2 WHERE topic_id="836887" UNION SELECT * FROM gallery2 WHERE topic_id="1771779" UNION SELECT * FROM gallery2 WHERE topic_id="1066239"