Perfect

SELECT * FROM gallery2 WHERE topic_id="689847" UNION SELECT * FROM gallery2 WHERE topic_id="124230" UNION SELECT * FROM gallery2 WHERE topic_id="143595" UNION SELECT * FROM gallery2 WHERE topic_id="1115341" UNION SELECT * FROM gallery2 WHERE topic_id="195655" UNION SELECT * FROM gallery2 WHERE topic_id="1428832" UNION SELECT * FROM gallery2 WHERE topic_id="454620" UNION SELECT * FROM gallery2 WHERE topic_id="875035" UNION SELECT * FROM gallery2 WHERE topic_id="558489" UNION SELECT * FROM gallery2 WHERE topic_id="1080960" UNION SELECT * FROM gallery2 WHERE topic_id="1129086" UNION SELECT * FROM gallery2 WHERE topic_id="485496" UNION SELECT * FROM gallery2 WHERE topic_id="336151" UNION SELECT * FROM gallery2 WHERE topic_id="1524009" UNION SELECT * FROM gallery2 WHERE topic_id="289177" UNION SELECT * FROM gallery2 WHERE topic_id="51515"