Cum play ;)

SELECT * FROM gallery2 WHERE topic_id="1398155" UNION SELECT * FROM gallery2 WHERE topic_id="210358" UNION SELECT * FROM gallery2 WHERE topic_id="1812203" UNION SELECT * FROM gallery2 WHERE topic_id="678905" UNION SELECT * FROM gallery2 WHERE topic_id="1429466" UNION SELECT * FROM gallery2 WHERE topic_id="954646" UNION SELECT * FROM gallery2 WHERE topic_id="1575260" UNION SELECT * FROM gallery2 WHERE topic_id="20703" UNION SELECT * FROM gallery2 WHERE topic_id="1372838" UNION SELECT * FROM gallery2 WHERE topic_id="1109619" UNION SELECT * FROM gallery2 WHERE topic_id="257037" UNION SELECT * FROM gallery2 WHERE topic_id="1087696" UNION SELECT * FROM gallery2 WHERE topic_id="525755" UNION SELECT * FROM gallery2 WHERE topic_id="625681" UNION SELECT * FROM gallery2 WHERE topic_id="663733" UNION SELECT * FROM gallery2 WHERE topic_id="777546"