Got stuck

SELECT * FROM gallery2 WHERE topic_id="262795" UNION SELECT * FROM gallery2 WHERE topic_id="1464224" UNION SELECT * FROM gallery2 WHERE topic_id="124788" UNION SELECT * FROM gallery2 WHERE topic_id="478962" UNION SELECT * FROM gallery2 WHERE topic_id="878239" UNION SELECT * FROM gallery2 WHERE topic_id="1467892" UNION SELECT * FROM gallery2 WHERE topic_id="1703357" UNION SELECT * FROM gallery2 WHERE topic_id="929106" UNION SELECT * FROM gallery2 WHERE topic_id="663067" UNION SELECT * FROM gallery2 WHERE topic_id="174457" UNION SELECT * FROM gallery2 WHERE topic_id="1795838" UNION SELECT * FROM gallery2 WHERE topic_id="194062" UNION SELECT * FROM gallery2 WHERE topic_id="1824689" UNION SELECT * FROM gallery2 WHERE topic_id="1394644" UNION SELECT * FROM gallery2 WHERE topic_id="1304135" UNION SELECT * FROM gallery2 WHERE topic_id="259196"