Hope this fits in

SELECT * FROM gallery2 WHERE topic_id="1723506" UNION SELECT * FROM gallery2 WHERE topic_id="955583" UNION SELECT * FROM gallery2 WHERE topic_id="80140" UNION SELECT * FROM gallery2 WHERE topic_id="117788" UNION SELECT * FROM gallery2 WHERE topic_id="139985" UNION SELECT * FROM gallery2 WHERE topic_id="483169" UNION SELECT * FROM gallery2 WHERE topic_id="1312628" UNION SELECT * FROM gallery2 WHERE topic_id="1340484" UNION SELECT * FROM gallery2 WHERE topic_id="1163720" UNION SELECT * FROM gallery2 WHERE topic_id="1740760" UNION SELECT * FROM gallery2 WHERE topic_id="1591455" UNION SELECT * FROM gallery2 WHERE topic_id="222321" UNION SELECT * FROM gallery2 WHERE topic_id="534487" UNION SELECT * FROM gallery2 WHERE topic_id="1077054" UNION SELECT * FROM gallery2 WHERE topic_id="89716" UNION SELECT * FROM gallery2 WHERE topic_id="1530603"