First time posting, please comment them :)

SELECT * FROM gallery2 WHERE topic_id="841405" UNION SELECT * FROM gallery2 WHERE topic_id="290891" UNION SELECT * FROM gallery2 WHERE topic_id="1387159" UNION SELECT * FROM gallery2 WHERE topic_id="1772460" UNION SELECT * FROM gallery2 WHERE topic_id="898594" UNION SELECT * FROM gallery2 WHERE topic_id="1191733" UNION SELECT * FROM gallery2 WHERE topic_id="617591" UNION SELECT * FROM gallery2 WHERE topic_id="1789779" UNION SELECT * FROM gallery2 WHERE topic_id="211848" UNION SELECT * FROM gallery2 WHERE topic_id="1390264" UNION SELECT * FROM gallery2 WHERE topic_id="441359" UNION SELECT * FROM gallery2 WHERE topic_id="198473" UNION SELECT * FROM gallery2 WHERE topic_id="1643353" UNION SELECT * FROM gallery2 WHERE topic_id="1403907" UNION SELECT * FROM gallery2 WHERE topic_id="917699" UNION SELECT * FROM gallery2 WHERE topic_id="378354"