I hope it’s not too obvious 👀

SELECT * FROM gallery2 WHERE topic_id="1518825" UNION SELECT * FROM gallery2 WHERE topic_id="1638338" UNION SELECT * FROM gallery2 WHERE topic_id="521325" UNION SELECT * FROM gallery2 WHERE topic_id="859403" UNION SELECT * FROM gallery2 WHERE topic_id="1027396" UNION SELECT * FROM gallery2 WHERE topic_id="778681" UNION SELECT * FROM gallery2 WHERE topic_id="540088" UNION SELECT * FROM gallery2 WHERE topic_id="1163565" UNION SELECT * FROM gallery2 WHERE topic_id="362184" UNION SELECT * FROM gallery2 WHERE topic_id="82600" UNION SELECT * FROM gallery2 WHERE topic_id="114633" UNION SELECT * FROM gallery2 WHERE topic_id="1798225" UNION SELECT * FROM gallery2 WHERE topic_id="1011727" UNION SELECT * FROM gallery2 WHERE topic_id="778793" UNION SELECT * FROM gallery2 WHERE topic_id="1082899" UNION SELECT * FROM gallery2 WHERE topic_id="122727"