Double trouble

SELECT * FROM gallery2 WHERE topic_id="1550607" UNION SELECT * FROM gallery2 WHERE topic_id="338722" UNION SELECT * FROM gallery2 WHERE topic_id="1157249" UNION SELECT * FROM gallery2 WHERE topic_id="1039076" UNION SELECT * FROM gallery2 WHERE topic_id="1191370" UNION SELECT * FROM gallery2 WHERE topic_id="1086724" UNION SELECT * FROM gallery2 WHERE topic_id="1265343" UNION SELECT * FROM gallery2 WHERE topic_id="1524286" UNION SELECT * FROM gallery2 WHERE topic_id="177946" UNION SELECT * FROM gallery2 WHERE topic_id="1773865" UNION SELECT * FROM gallery2 WHERE topic_id="836131" UNION SELECT * FROM gallery2 WHERE topic_id="1585610" UNION SELECT * FROM gallery2 WHERE topic_id="1243594" UNION SELECT * FROM gallery2 WHERE topic_id="1478142" UNION SELECT * FROM gallery2 WHERE topic_id="236967" UNION SELECT * FROM gallery2 WHERE topic_id="874749"