Overflowing

SELECT * FROM gallery2 WHERE topic_id="406214" UNION SELECT * FROM gallery2 WHERE topic_id="791911" UNION SELECT * FROM gallery2 WHERE topic_id="850610" UNION SELECT * FROM gallery2 WHERE topic_id="182426" UNION SELECT * FROM gallery2 WHERE topic_id="103063" UNION SELECT * FROM gallery2 WHERE topic_id="1699900" UNION SELECT * FROM gallery2 WHERE topic_id="1408347" UNION SELECT * FROM gallery2 WHERE topic_id="688962" UNION SELECT * FROM gallery2 WHERE topic_id="1812154" UNION SELECT * FROM gallery2 WHERE topic_id="1741012" UNION SELECT * FROM gallery2 WHERE topic_id="560043" UNION SELECT * FROM gallery2 WHERE topic_id="1018767" UNION SELECT * FROM gallery2 WHERE topic_id="1077110" UNION SELECT * FROM gallery2 WHERE topic_id="1720895" UNION SELECT * FROM gallery2 WHERE topic_id="1312558" UNION SELECT * FROM gallery2 WHERE topic_id="884480"