Left or right

SELECT * FROM gallery2 WHERE topic_id="552725" UNION SELECT * FROM gallery2 WHERE topic_id="1692472" UNION SELECT * FROM gallery2 WHERE topic_id="1344360" UNION SELECT * FROM gallery2 WHERE topic_id="394936" UNION SELECT * FROM gallery2 WHERE topic_id="1755751" UNION SELECT * FROM gallery2 WHERE topic_id="25270" UNION SELECT * FROM gallery2 WHERE topic_id="300286" UNION SELECT * FROM gallery2 WHERE topic_id="914445" UNION SELECT * FROM gallery2 WHERE topic_id="1604988" UNION SELECT * FROM gallery2 WHERE topic_id="367021" UNION SELECT * FROM gallery2 WHERE topic_id="1537687" UNION SELECT * FROM gallery2 WHERE topic_id="956278" UNION SELECT * FROM gallery2 WHERE topic_id="590375" UNION SELECT * FROM gallery2 WHERE topic_id="1736254" UNION SELECT * FROM gallery2 WHERE topic_id="1177461" UNION SELECT * FROM gallery2 WHERE topic_id="526990"