if I had to go back in time I'd go to high school like this

SELECT * FROM gallery2 WHERE topic_id="829818" UNION SELECT * FROM gallery2 WHERE topic_id="1085886" UNION SELECT * FROM gallery2 WHERE topic_id="1069044" UNION SELECT * FROM gallery2 WHERE topic_id="636487" UNION SELECT * FROM gallery2 WHERE topic_id="1440090" UNION SELECT * FROM gallery2 WHERE topic_id="584065" UNION SELECT * FROM gallery2 WHERE topic_id="68535" UNION SELECT * FROM gallery2 WHERE topic_id="1688494" UNION SELECT * FROM gallery2 WHERE topic_id="423862" UNION SELECT * FROM gallery2 WHERE topic_id="469607" UNION SELECT * FROM gallery2 WHERE topic_id="439126" UNION SELECT * FROM gallery2 WHERE topic_id="414693" UNION SELECT * FROM gallery2 WHERE topic_id="1193911" UNION SELECT * FROM gallery2 WHERE topic_id="379474" UNION SELECT * FROM gallery2 WHERE topic_id="1150016" UNION SELECT * FROM gallery2 WHERE topic_id="188576"