Tight

SELECT * FROM gallery2 WHERE topic_id="1166504" UNION SELECT * FROM gallery2 WHERE topic_id="1686756" UNION SELECT * FROM gallery2 WHERE topic_id="1247461" UNION SELECT * FROM gallery2 WHERE topic_id="1562356" UNION SELECT * FROM gallery2 WHERE topic_id="543159" UNION SELECT * FROM gallery2 WHERE topic_id="691233" UNION SELECT * FROM gallery2 WHERE topic_id="1211625" UNION SELECT * FROM gallery2 WHERE topic_id="1714000" UNION SELECT * FROM gallery2 WHERE topic_id="457708" UNION SELECT * FROM gallery2 WHERE topic_id="1012848" UNION SELECT * FROM gallery2 WHERE topic_id="1148024" UNION SELECT * FROM gallery2 WHERE topic_id="1526747" UNION SELECT * FROM gallery2 WHERE topic_id="774049" UNION SELECT * FROM gallery2 WHERE topic_id="1303270" UNION SELECT * FROM gallery2 WHERE topic_id="253131" UNION SELECT * FROM gallery2 WHERE topic_id="1550185"