Need some help with this monster

SELECT * FROM gallery2 WHERE topic_id="1011556" UNION SELECT * FROM gallery2 WHERE topic_id="769112" UNION SELECT * FROM gallery2 WHERE topic_id="1174019" UNION SELECT * FROM gallery2 WHERE topic_id="961481" UNION SELECT * FROM gallery2 WHERE topic_id="512972" UNION SELECT * FROM gallery2 WHERE topic_id="602925" UNION SELECT * FROM gallery2 WHERE topic_id="1604737" UNION SELECT * FROM gallery2 WHERE topic_id="1506307" UNION SELECT * FROM gallery2 WHERE topic_id="533055" UNION SELECT * FROM gallery2 WHERE topic_id="626814" UNION SELECT * FROM gallery2 WHERE topic_id="1516109" UNION SELECT * FROM gallery2 WHERE topic_id="923288" UNION SELECT * FROM gallery2 WHERE topic_id="28514" UNION SELECT * FROM gallery2 WHERE topic_id="1466798" UNION SELECT * FROM gallery2 WHERE topic_id="433351" UNION SELECT * FROM gallery2 WHERE topic_id="447641"