Self explanatory… 😜

SELECT * FROM gallery2 WHERE topic_id="1399024" UNION SELECT * FROM gallery2 WHERE topic_id="850748" UNION SELECT * FROM gallery2 WHERE topic_id="25626" UNION SELECT * FROM gallery2 WHERE topic_id="1782991" UNION SELECT * FROM gallery2 WHERE topic_id="624880" UNION SELECT * FROM gallery2 WHERE topic_id="1037849" UNION SELECT * FROM gallery2 WHERE topic_id="1499639" UNION SELECT * FROM gallery2 WHERE topic_id="666487" UNION SELECT * FROM gallery2 WHERE topic_id="642817" UNION SELECT * FROM gallery2 WHERE topic_id="1789848" UNION SELECT * FROM gallery2 WHERE topic_id="1462605" UNION SELECT * FROM gallery2 WHERE topic_id="676708" UNION SELECT * FROM gallery2 WHERE topic_id="886680" UNION SELECT * FROM gallery2 WHERE topic_id="719455" UNION SELECT * FROM gallery2 WHERE topic_id="1001877" UNION SELECT * FROM gallery2 WHERE topic_id="830442"