Let’s play a game :)

SELECT * FROM gallery2 WHERE topic_id="1804450" UNION SELECT * FROM gallery2 WHERE topic_id="1665943" UNION SELECT * FROM gallery2 WHERE topic_id="591309" UNION SELECT * FROM gallery2 WHERE topic_id="845661" UNION SELECT * FROM gallery2 WHERE topic_id="147993" UNION SELECT * FROM gallery2 WHERE topic_id="1684755" UNION SELECT * FROM gallery2 WHERE topic_id="271117" UNION SELECT * FROM gallery2 WHERE topic_id="1047710" UNION SELECT * FROM gallery2 WHERE topic_id="1567460" UNION SELECT * FROM gallery2 WHERE topic_id="1480830" UNION SELECT * FROM gallery2 WHERE topic_id="895948" UNION SELECT * FROM gallery2 WHERE topic_id="1281795" UNION SELECT * FROM gallery2 WHERE topic_id="1125663" UNION SELECT * FROM gallery2 WHERE topic_id="1443300" UNION SELECT * FROM gallery2 WHERE topic_id="1689615" UNION SELECT * FROM gallery2 WHERE topic_id="371589"