I need help [oc]

SELECT * FROM gallery2 WHERE topic_id="1539205" UNION SELECT * FROM gallery2 WHERE topic_id="915611" UNION SELECT * FROM gallery2 WHERE topic_id="508614" UNION SELECT * FROM gallery2 WHERE topic_id="1444883" UNION SELECT * FROM gallery2 WHERE topic_id="1186859" UNION SELECT * FROM gallery2 WHERE topic_id="370751" UNION SELECT * FROM gallery2 WHERE topic_id="105309" UNION SELECT * FROM gallery2 WHERE topic_id="1176440" UNION SELECT * FROM gallery2 WHERE topic_id="976530" UNION SELECT * FROM gallery2 WHERE topic_id="483316" UNION SELECT * FROM gallery2 WHERE topic_id="1055997" UNION SELECT * FROM gallery2 WHERE topic_id="1463135" UNION SELECT * FROM gallery2 WHERE topic_id="648028" UNION SELECT * FROM gallery2 WHERE topic_id="97453" UNION SELECT * FROM gallery2 WHERE topic_id="1238933" UNION SELECT * FROM gallery2 WHERE topic_id="611885"