Finally verified

SELECT * FROM gallery2 WHERE topic_id="299871" UNION SELECT * FROM gallery2 WHERE topic_id="1609596" UNION SELECT * FROM gallery2 WHERE topic_id="45032" UNION SELECT * FROM gallery2 WHERE topic_id="18838" UNION SELECT * FROM gallery2 WHERE topic_id="867906" UNION SELECT * FROM gallery2 WHERE topic_id="1194410" UNION SELECT * FROM gallery2 WHERE topic_id="658098" UNION SELECT * FROM gallery2 WHERE topic_id="1431980" UNION SELECT * FROM gallery2 WHERE topic_id="937680" UNION SELECT * FROM gallery2 WHERE topic_id="1510178" UNION SELECT * FROM gallery2 WHERE topic_id="1655409" UNION SELECT * FROM gallery2 WHERE topic_id="1687888" UNION SELECT * FROM gallery2 WHERE topic_id="1027170" UNION SELECT * FROM gallery2 WHERE topic_id="1554597" UNION SELECT * FROM gallery2 WHERE topic_id="206946" UNION SELECT * FROM gallery2 WHERE topic_id="1724513"