My first post here, hope I do ok! 😊

SELECT * FROM gallery2 WHERE topic_id="843045" UNION SELECT * FROM gallery2 WHERE topic_id="485682" UNION SELECT * FROM gallery2 WHERE topic_id="513945" UNION SELECT * FROM gallery2 WHERE topic_id="784249" UNION SELECT * FROM gallery2 WHERE topic_id="1639606" UNION SELECT * FROM gallery2 WHERE topic_id="504094" UNION SELECT * FROM gallery2 WHERE topic_id="912178" UNION SELECT * FROM gallery2 WHERE topic_id="1185634" UNION SELECT * FROM gallery2 WHERE topic_id="245264" UNION SELECT * FROM gallery2 WHERE topic_id="305290" UNION SELECT * FROM gallery2 WHERE topic_id="749499" UNION SELECT * FROM gallery2 WHERE topic_id="1811030" UNION SELECT * FROM gallery2 WHERE topic_id="827891" UNION SELECT * FROM gallery2 WHERE topic_id="1520045" UNION SELECT * FROM gallery2 WHERE topic_id="1094394" UNION SELECT * FROM gallery2 WHERE topic_id="1608183"