Huh

SELECT * FROM gallery2 WHERE topic_id="1586914" UNION SELECT * FROM gallery2 WHERE topic_id="1049762" UNION SELECT * FROM gallery2 WHERE topic_id="440157" UNION SELECT * FROM gallery2 WHERE topic_id="15760" UNION SELECT * FROM gallery2 WHERE topic_id="868841" UNION SELECT * FROM gallery2 WHERE topic_id="1593338" UNION SELECT * FROM gallery2 WHERE topic_id="341787" UNION SELECT * FROM gallery2 WHERE topic_id="1054991" UNION SELECT * FROM gallery2 WHERE topic_id="1645503" UNION SELECT * FROM gallery2 WHERE topic_id="441174" UNION SELECT * FROM gallery2 WHERE topic_id="562516" UNION SELECT * FROM gallery2 WHERE topic_id="728379" UNION SELECT * FROM gallery2 WHERE topic_id="1189005" UNION SELECT * FROM gallery2 WHERE topic_id="1633478" UNION SELECT * FROM gallery2 WHERE topic_id="212711" UNION SELECT * FROM gallery2 WHERE topic_id="1267387"