I hope this counts.

SELECT * FROM gallery2 WHERE topic_id="291902" UNION SELECT * FROM gallery2 WHERE topic_id="1329407" UNION SELECT * FROM gallery2 WHERE topic_id="1207960" UNION SELECT * FROM gallery2 WHERE topic_id="971174" UNION SELECT * FROM gallery2 WHERE topic_id="1147403" UNION SELECT * FROM gallery2 WHERE topic_id="1674379" UNION SELECT * FROM gallery2 WHERE topic_id="1575083" UNION SELECT * FROM gallery2 WHERE topic_id="1493757" UNION SELECT * FROM gallery2 WHERE topic_id="1591414" UNION SELECT * FROM gallery2 WHERE topic_id="434035" UNION SELECT * FROM gallery2 WHERE topic_id="50100" UNION SELECT * FROM gallery2 WHERE topic_id="1820862" UNION SELECT * FROM gallery2 WHERE topic_id="91509" UNION SELECT * FROM gallery2 WHERE topic_id="1597548" UNION SELECT * FROM gallery2 WHERE topic_id="464248" UNION SELECT * FROM gallery2 WHERE topic_id="1781515"