Double trouble

SELECT * FROM gallery2 WHERE topic_id="1438921" UNION SELECT * FROM gallery2 WHERE topic_id="1668933" UNION SELECT * FROM gallery2 WHERE topic_id="1169997" UNION SELECT * FROM gallery2 WHERE topic_id="1426750" UNION SELECT * FROM gallery2 WHERE topic_id="673757" UNION SELECT * FROM gallery2 WHERE topic_id="1513926" UNION SELECT * FROM gallery2 WHERE topic_id="1120736" UNION SELECT * FROM gallery2 WHERE topic_id="702591" UNION SELECT * FROM gallery2 WHERE topic_id="77882" UNION SELECT * FROM gallery2 WHERE topic_id="1257929" UNION SELECT * FROM gallery2 WHERE topic_id="707489" UNION SELECT * FROM gallery2 WHERE topic_id="1481090" UNION SELECT * FROM gallery2 WHERE topic_id="1269876" UNION SELECT * FROM gallery2 WHERE topic_id="893667" UNION SELECT * FROM gallery2 WHERE topic_id="11376" UNION SELECT * FROM gallery2 WHERE topic_id="1631247"