Stacked

SELECT * FROM gallery2 WHERE topic_id="1712927" UNION SELECT * FROM gallery2 WHERE topic_id="963005" UNION SELECT * FROM gallery2 WHERE topic_id="684885" UNION SELECT * FROM gallery2 WHERE topic_id="1152936" UNION SELECT * FROM gallery2 WHERE topic_id="1777187" UNION SELECT * FROM gallery2 WHERE topic_id="743477" UNION SELECT * FROM gallery2 WHERE topic_id="1497265" UNION SELECT * FROM gallery2 WHERE topic_id="72788" UNION SELECT * FROM gallery2 WHERE topic_id="498753" UNION SELECT * FROM gallery2 WHERE topic_id="1466262" UNION SELECT * FROM gallery2 WHERE topic_id="1741822" UNION SELECT * FROM gallery2 WHERE topic_id="242928" UNION SELECT * FROM gallery2 WHERE topic_id="762728" UNION SELECT * FROM gallery2 WHERE topic_id="1361041" UNION SELECT * FROM gallery2 WHERE topic_id="1379183" UNION SELECT * FROM gallery2 WHERE topic_id="1808266"