Microbikini struggling

SELECT * FROM gallery2 WHERE topic_id="1648399" UNION SELECT * FROM gallery2 WHERE topic_id="43426" UNION SELECT * FROM gallery2 WHERE topic_id="102397" UNION SELECT * FROM gallery2 WHERE topic_id="1687877" UNION SELECT * FROM gallery2 WHERE topic_id="1056961" UNION SELECT * FROM gallery2 WHERE topic_id="1706467" UNION SELECT * FROM gallery2 WHERE topic_id="927176" UNION SELECT * FROM gallery2 WHERE topic_id="1201274" UNION SELECT * FROM gallery2 WHERE topic_id="705031" UNION SELECT * FROM gallery2 WHERE topic_id="1534764" UNION SELECT * FROM gallery2 WHERE topic_id="1583715" UNION SELECT * FROM gallery2 WHERE topic_id="1806519" UNION SELECT * FROM gallery2 WHERE topic_id="1750516" UNION SELECT * FROM gallery2 WHERE topic_id="332404" UNION SELECT * FROM gallery2 WHERE topic_id="1305814" UNION SELECT * FROM gallery2 WHERE topic_id="895659"