Stacked

SELECT * FROM gallery2 WHERE topic_id="1658777" UNION SELECT * FROM gallery2 WHERE topic_id="1669601" UNION SELECT * FROM gallery2 WHERE topic_id="293666" UNION SELECT * FROM gallery2 WHERE topic_id="1289229" UNION SELECT * FROM gallery2 WHERE topic_id="1055563" UNION SELECT * FROM gallery2 WHERE topic_id="1397234" UNION SELECT * FROM gallery2 WHERE topic_id="1502765" UNION SELECT * FROM gallery2 WHERE topic_id="418699" UNION SELECT * FROM gallery2 WHERE topic_id="926459" UNION SELECT * FROM gallery2 WHERE topic_id="623850" UNION SELECT * FROM gallery2 WHERE topic_id="16107" UNION SELECT * FROM gallery2 WHERE topic_id="1577491" UNION SELECT * FROM gallery2 WHERE topic_id="1115863" UNION SELECT * FROM gallery2 WHERE topic_id="125458" UNION SELECT * FROM gallery2 WHERE topic_id="1160351" UNION SELECT * FROM gallery2 WHERE topic_id="24059"