need some help with something here

SELECT * FROM gallery2 WHERE topic_id="1733185" UNION SELECT * FROM gallery2 WHERE topic_id="50565" UNION SELECT * FROM gallery2 WHERE topic_id="1766405" UNION SELECT * FROM gallery2 WHERE topic_id="1056162" UNION SELECT * FROM gallery2 WHERE topic_id="1793239" UNION SELECT * FROM gallery2 WHERE topic_id="1494975" UNION SELECT * FROM gallery2 WHERE topic_id="1549198" UNION SELECT * FROM gallery2 WHERE topic_id="1155293" UNION SELECT * FROM gallery2 WHERE topic_id="1758251" UNION SELECT * FROM gallery2 WHERE topic_id="1144081" UNION SELECT * FROM gallery2 WHERE topic_id="1665188" UNION SELECT * FROM gallery2 WHERE topic_id="205339" UNION SELECT * FROM gallery2 WHERE topic_id="1465956" UNION SELECT * FROM gallery2 WHERE topic_id="580614" UNION SELECT * FROM gallery2 WHERE topic_id="940579" UNION SELECT * FROM gallery2 WHERE topic_id="1723706"