Double trouble

SELECT * FROM gallery2 WHERE topic_id="1756557" UNION SELECT * FROM gallery2 WHERE topic_id="834080" UNION SELECT * FROM gallery2 WHERE topic_id="1393666" UNION SELECT * FROM gallery2 WHERE topic_id="638924" UNION SELECT * FROM gallery2 WHERE topic_id="1449753" UNION SELECT * FROM gallery2 WHERE topic_id="128374" UNION SELECT * FROM gallery2 WHERE topic_id="1644861" UNION SELECT * FROM gallery2 WHERE topic_id="349934" UNION SELECT * FROM gallery2 WHERE topic_id="245089" UNION SELECT * FROM gallery2 WHERE topic_id="1328850" UNION SELECT * FROM gallery2 WHERE topic_id="1328984" UNION SELECT * FROM gallery2 WHERE topic_id="1508306" UNION SELECT * FROM gallery2 WHERE topic_id="1653072" UNION SELECT * FROM gallery2 WHERE topic_id="1167207" UNION SELECT * FROM gallery2 WHERE topic_id="65539" UNION SELECT * FROM gallery2 WHERE topic_id="233815"