Trio

SELECT * FROM gallery2 WHERE topic_id="1015595" UNION SELECT * FROM gallery2 WHERE topic_id="1173742" UNION SELECT * FROM gallery2 WHERE topic_id="1059430" UNION SELECT * FROM gallery2 WHERE topic_id="1608021" UNION SELECT * FROM gallery2 WHERE topic_id="1258159" UNION SELECT * FROM gallery2 WHERE topic_id="547298" UNION SELECT * FROM gallery2 WHERE topic_id="1531842" UNION SELECT * FROM gallery2 WHERE topic_id="1458883" UNION SELECT * FROM gallery2 WHERE topic_id="1615753" UNION SELECT * FROM gallery2 WHERE topic_id="1142882" UNION SELECT * FROM gallery2 WHERE topic_id="1237239" UNION SELECT * FROM gallery2 WHERE topic_id="750488" UNION SELECT * FROM gallery2 WHERE topic_id="1301024" UNION SELECT * FROM gallery2 WHERE topic_id="562587" UNION SELECT * FROM gallery2 WHERE topic_id="1161510" UNION SELECT * FROM gallery2 WHERE topic_id="1730750"