Splendid

SELECT * FROM gallery2 WHERE topic_id="374886" UNION SELECT * FROM gallery2 WHERE topic_id="1131861" UNION SELECT * FROM gallery2 WHERE topic_id="1817762" UNION SELECT * FROM gallery2 WHERE topic_id="1620726" UNION SELECT * FROM gallery2 WHERE topic_id="1680096" UNION SELECT * FROM gallery2 WHERE topic_id="887225" UNION SELECT * FROM gallery2 WHERE topic_id="948949" UNION SELECT * FROM gallery2 WHERE topic_id="1283843" UNION SELECT * FROM gallery2 WHERE topic_id="792137" UNION SELECT * FROM gallery2 WHERE topic_id="1240958" UNION SELECT * FROM gallery2 WHERE topic_id="1519036" UNION SELECT * FROM gallery2 WHERE topic_id="1687044" UNION SELECT * FROM gallery2 WHERE topic_id="996833" UNION SELECT * FROM gallery2 WHERE topic_id="1556349" UNION SELECT * FROM gallery2 WHERE topic_id="985698" UNION SELECT * FROM gallery2 WHERE topic_id="641671"