Perfect

SELECT * FROM gallery2 WHERE topic_id="611122" UNION SELECT * FROM gallery2 WHERE topic_id="294732" UNION SELECT * FROM gallery2 WHERE topic_id="1298749" UNION SELECT * FROM gallery2 WHERE topic_id="166310" UNION SELECT * FROM gallery2 WHERE topic_id="383706" UNION SELECT * FROM gallery2 WHERE topic_id="571581" UNION SELECT * FROM gallery2 WHERE topic_id="1021289" UNION SELECT * FROM gallery2 WHERE topic_id="1209510" UNION SELECT * FROM gallery2 WHERE topic_id="450929" UNION SELECT * FROM gallery2 WHERE topic_id="1113751" UNION SELECT * FROM gallery2 WHERE topic_id="1384393" UNION SELECT * FROM gallery2 WHERE topic_id="1559629" UNION SELECT * FROM gallery2 WHERE topic_id="146063" UNION SELECT * FROM gallery2 WHERE topic_id="393479" UNION SELECT * FROM gallery2 WHERE topic_id="1420689" UNION SELECT * FROM gallery2 WHERE topic_id="967730"