who gets what?

SELECT * FROM gallery2 WHERE topic_id="396487" UNION SELECT * FROM gallery2 WHERE topic_id="982799" UNION SELECT * FROM gallery2 WHERE topic_id="698488" UNION SELECT * FROM gallery2 WHERE topic_id="556993" UNION SELECT * FROM gallery2 WHERE topic_id="253792" UNION SELECT * FROM gallery2 WHERE topic_id="1321861" UNION SELECT * FROM gallery2 WHERE topic_id="1782391" UNION SELECT * FROM gallery2 WHERE topic_id="473028" UNION SELECT * FROM gallery2 WHERE topic_id="21005" UNION SELECT * FROM gallery2 WHERE topic_id="1297480" UNION SELECT * FROM gallery2 WHERE topic_id="136023" UNION SELECT * FROM gallery2 WHERE topic_id="256853" UNION SELECT * FROM gallery2 WHERE topic_id="1590703" UNION SELECT * FROM gallery2 WHERE topic_id="404448" UNION SELECT * FROM gallery2 WHERE topic_id="1053194" UNION SELECT * FROM gallery2 WHERE topic_id="57542"