Look close enough, you’ll find it

SELECT * FROM gallery2 WHERE topic_id="751472" UNION SELECT * FROM gallery2 WHERE topic_id="293662" UNION SELECT * FROM gallery2 WHERE topic_id="510432" UNION SELECT * FROM gallery2 WHERE topic_id="1178627" UNION SELECT * FROM gallery2 WHERE topic_id="1429496" UNION SELECT * FROM gallery2 WHERE topic_id="1516716" UNION SELECT * FROM gallery2 WHERE topic_id="326316" UNION SELECT * FROM gallery2 WHERE topic_id="1153910" UNION SELECT * FROM gallery2 WHERE topic_id="787814" UNION SELECT * FROM gallery2 WHERE topic_id="1720917" UNION SELECT * FROM gallery2 WHERE topic_id="1163067" UNION SELECT * FROM gallery2 WHERE topic_id="263244" UNION SELECT * FROM gallery2 WHERE topic_id="606360" UNION SELECT * FROM gallery2 WHERE topic_id="1308785" UNION SELECT * FROM gallery2 WHERE topic_id="1119572" UNION SELECT * FROM gallery2 WHERE topic_id="1301331"