I'd like you all to have a look

SELECT * FROM gallery2 WHERE topic_id="1240263" UNION SELECT * FROM gallery2 WHERE topic_id="1813237" UNION SELECT * FROM gallery2 WHERE topic_id="77929" UNION SELECT * FROM gallery2 WHERE topic_id="153684" UNION SELECT * FROM gallery2 WHERE topic_id="194654" UNION SELECT * FROM gallery2 WHERE topic_id="1665267" UNION SELECT * FROM gallery2 WHERE topic_id="326283" UNION SELECT * FROM gallery2 WHERE topic_id="65051" UNION SELECT * FROM gallery2 WHERE topic_id="1094098" UNION SELECT * FROM gallery2 WHERE topic_id="1361436" UNION SELECT * FROM gallery2 WHERE topic_id="390558" UNION SELECT * FROM gallery2 WHERE topic_id="140413" UNION SELECT * FROM gallery2 WHERE topic_id="848437" UNION SELECT * FROM gallery2 WHERE topic_id="1332573" UNION SELECT * FROM gallery2 WHERE topic_id="499307" UNION SELECT * FROM gallery2 WHERE topic_id="823820"