Stacked

SELECT * FROM gallery2 WHERE topic_id="1639048" UNION SELECT * FROM gallery2 WHERE topic_id="1759918" UNION SELECT * FROM gallery2 WHERE topic_id="584262" UNION SELECT * FROM gallery2 WHERE topic_id="382076" UNION SELECT * FROM gallery2 WHERE topic_id="203376" UNION SELECT * FROM gallery2 WHERE topic_id="285383" UNION SELECT * FROM gallery2 WHERE topic_id="929245" UNION SELECT * FROM gallery2 WHERE topic_id="275727" UNION SELECT * FROM gallery2 WHERE topic_id="211911" UNION SELECT * FROM gallery2 WHERE topic_id="1327941" UNION SELECT * FROM gallery2 WHERE topic_id="1169857" UNION SELECT * FROM gallery2 WHERE topic_id="1242733" UNION SELECT * FROM gallery2 WHERE topic_id="1370270" UNION SELECT * FROM gallery2 WHERE topic_id="1055850" UNION SELECT * FROM gallery2 WHERE topic_id="133369" UNION SELECT * FROM gallery2 WHERE topic_id="39569"