Want it from the back?

SELECT * FROM gallery2 WHERE topic_id="853344" UNION SELECT * FROM gallery2 WHERE topic_id="593326" UNION SELECT * FROM gallery2 WHERE topic_id="1522454" UNION SELECT * FROM gallery2 WHERE topic_id="785168" UNION SELECT * FROM gallery2 WHERE topic_id="464655" UNION SELECT * FROM gallery2 WHERE topic_id="1815668" UNION SELECT * FROM gallery2 WHERE topic_id="1462521" UNION SELECT * FROM gallery2 WHERE topic_id="1488817" UNION SELECT * FROM gallery2 WHERE topic_id="511383" UNION SELECT * FROM gallery2 WHERE topic_id="122810" UNION SELECT * FROM gallery2 WHERE topic_id="930094" UNION SELECT * FROM gallery2 WHERE topic_id="1573616" UNION SELECT * FROM gallery2 WHERE topic_id="1405139" UNION SELECT * FROM gallery2 WHERE topic_id="1332109" UNION SELECT * FROM gallery2 WHERE topic_id="1383119" UNION SELECT * FROM gallery2 WHERE topic_id="397209"