Elegant

SELECT * FROM gallery2 WHERE topic_id="866203" UNION SELECT * FROM gallery2 WHERE topic_id="1354487" UNION SELECT * FROM gallery2 WHERE topic_id="1755692" UNION SELECT * FROM gallery2 WHERE topic_id="398718" UNION SELECT * FROM gallery2 WHERE topic_id="1142449" UNION SELECT * FROM gallery2 WHERE topic_id="307169" UNION SELECT * FROM gallery2 WHERE topic_id="1659061" UNION SELECT * FROM gallery2 WHERE topic_id="1303144" UNION SELECT * FROM gallery2 WHERE topic_id="1759353" UNION SELECT * FROM gallery2 WHERE topic_id="1805487" UNION SELECT * FROM gallery2 WHERE topic_id="222771" UNION SELECT * FROM gallery2 WHERE topic_id="1765434" UNION SELECT * FROM gallery2 WHERE topic_id="1030643" UNION SELECT * FROM gallery2 WHERE topic_id="1100163" UNION SELECT * FROM gallery2 WHERE topic_id="1620822" UNION SELECT * FROM gallery2 WHERE topic_id="525162"