From below

SELECT * FROM gallery2 WHERE topic_id="216595" UNION SELECT * FROM gallery2 WHERE topic_id="1661753" UNION SELECT * FROM gallery2 WHERE topic_id="1692617" UNION SELECT * FROM gallery2 WHERE topic_id="1652201" UNION SELECT * FROM gallery2 WHERE topic_id="265257" UNION SELECT * FROM gallery2 WHERE topic_id="1107534" UNION SELECT * FROM gallery2 WHERE topic_id="413572" UNION SELECT * FROM gallery2 WHERE topic_id="900654" UNION SELECT * FROM gallery2 WHERE topic_id="235403" UNION SELECT * FROM gallery2 WHERE topic_id="1329825" UNION SELECT * FROM gallery2 WHERE topic_id="1754583" UNION SELECT * FROM gallery2 WHERE topic_id="1685693" UNION SELECT * FROM gallery2 WHERE topic_id="1707211" UNION SELECT * FROM gallery2 WHERE topic_id="877147" UNION SELECT * FROM gallery2 WHERE topic_id="1596116" UNION SELECT * FROM gallery2 WHERE topic_id="1730239"