Unwinding

SELECT * FROM gallery2 WHERE topic_id="286463" UNION SELECT * FROM gallery2 WHERE topic_id="1260881" UNION SELECT * FROM gallery2 WHERE topic_id="1698204" UNION SELECT * FROM gallery2 WHERE topic_id="1280495" UNION SELECT * FROM gallery2 WHERE topic_id="554752" UNION SELECT * FROM gallery2 WHERE topic_id="670851" UNION SELECT * FROM gallery2 WHERE topic_id="579388" UNION SELECT * FROM gallery2 WHERE topic_id="144563" UNION SELECT * FROM gallery2 WHERE topic_id="326641" UNION SELECT * FROM gallery2 WHERE topic_id="304624" UNION SELECT * FROM gallery2 WHERE topic_id="747295" UNION SELECT * FROM gallery2 WHERE topic_id="1358766" UNION SELECT * FROM gallery2 WHERE topic_id="538325" UNION SELECT * FROM gallery2 WHERE topic_id="1330191" UNION SELECT * FROM gallery2 WHERE topic_id="390955" UNION SELECT * FROM gallery2 WHERE topic_id="257813"