Hit it from the back

SELECT * FROM gallery2 WHERE topic_id="1567246" UNION SELECT * FROM gallery2 WHERE topic_id="1826613" UNION SELECT * FROM gallery2 WHERE topic_id="264888" UNION SELECT * FROM gallery2 WHERE topic_id="45587" UNION SELECT * FROM gallery2 WHERE topic_id="574958" UNION SELECT * FROM gallery2 WHERE topic_id="1523452" UNION SELECT * FROM gallery2 WHERE topic_id="136497" UNION SELECT * FROM gallery2 WHERE topic_id="1388421" UNION SELECT * FROM gallery2 WHERE topic_id="1812716" UNION SELECT * FROM gallery2 WHERE topic_id="1823268" UNION SELECT * FROM gallery2 WHERE topic_id="447385" UNION SELECT * FROM gallery2 WHERE topic_id="1700771" UNION SELECT * FROM gallery2 WHERE topic_id="1295597" UNION SELECT * FROM gallery2 WHERE topic_id="385901" UNION SELECT * FROM gallery2 WHERE topic_id="268472" UNION SELECT * FROM gallery2 WHERE topic_id="1055704"