Who you selecting

SELECT * FROM gallery2 WHERE topic_id="545112" UNION SELECT * FROM gallery2 WHERE topic_id="1786768" UNION SELECT * FROM gallery2 WHERE topic_id="440425" UNION SELECT * FROM gallery2 WHERE topic_id="1338768" UNION SELECT * FROM gallery2 WHERE topic_id="51083" UNION SELECT * FROM gallery2 WHERE topic_id="1437562" UNION SELECT * FROM gallery2 WHERE topic_id="637546" UNION SELECT * FROM gallery2 WHERE topic_id="1099911" UNION SELECT * FROM gallery2 WHERE topic_id="1297717" UNION SELECT * FROM gallery2 WHERE topic_id="1632075" UNION SELECT * FROM gallery2 WHERE topic_id="375078" UNION SELECT * FROM gallery2 WHERE topic_id="1556272" UNION SELECT * FROM gallery2 WHERE topic_id="352202" UNION SELECT * FROM gallery2 WHERE topic_id="205978" UNION SELECT * FROM gallery2 WHERE topic_id="343060" UNION SELECT * FROM gallery2 WHERE topic_id="1336657"