Finished

SELECT * FROM gallery2 WHERE topic_id="747111" UNION SELECT * FROM gallery2 WHERE topic_id="724005" UNION SELECT * FROM gallery2 WHERE topic_id="46774" UNION SELECT * FROM gallery2 WHERE topic_id="1405800" UNION SELECT * FROM gallery2 WHERE topic_id="479463" UNION SELECT * FROM gallery2 WHERE topic_id="1787112" UNION SELECT * FROM gallery2 WHERE topic_id="1575791" UNION SELECT * FROM gallery2 WHERE topic_id="1349515" UNION SELECT * FROM gallery2 WHERE topic_id="1675959" UNION SELECT * FROM gallery2 WHERE topic_id="474005" UNION SELECT * FROM gallery2 WHERE topic_id="1104900" UNION SELECT * FROM gallery2 WHERE topic_id="1155577" UNION SELECT * FROM gallery2 WHERE topic_id="65115" UNION SELECT * FROM gallery2 WHERE topic_id="390894" UNION SELECT * FROM gallery2 WHERE topic_id="198492" UNION SELECT * FROM gallery2 WHERE topic_id="691176"