Stacked on top and below

SELECT * FROM gallery2 WHERE topic_id="921981" UNION SELECT * FROM gallery2 WHERE topic_id="8266" UNION SELECT * FROM gallery2 WHERE topic_id="585048" UNION SELECT * FROM gallery2 WHERE topic_id="101412" UNION SELECT * FROM gallery2 WHERE topic_id="1039084" UNION SELECT * FROM gallery2 WHERE topic_id="362003" UNION SELECT * FROM gallery2 WHERE topic_id="297394" UNION SELECT * FROM gallery2 WHERE topic_id="1792869" UNION SELECT * FROM gallery2 WHERE topic_id="1568948" UNION SELECT * FROM gallery2 WHERE topic_id="331078" UNION SELECT * FROM gallery2 WHERE topic_id="1581935" UNION SELECT * FROM gallery2 WHERE topic_id="128357" UNION SELECT * FROM gallery2 WHERE topic_id="561038" UNION SELECT * FROM gallery2 WHERE topic_id="1715018" UNION SELECT * FROM gallery2 WHERE topic_id="1399726" UNION SELECT * FROM gallery2 WHERE topic_id="1637602"