Perfect

SELECT * FROM gallery2 WHERE topic_id="1283472" UNION SELECT * FROM gallery2 WHERE topic_id="618736" UNION SELECT * FROM gallery2 WHERE topic_id="299386" UNION SELECT * FROM gallery2 WHERE topic_id="235626" UNION SELECT * FROM gallery2 WHERE topic_id="563746" UNION SELECT * FROM gallery2 WHERE topic_id="1690261" UNION SELECT * FROM gallery2 WHERE topic_id="1409670" UNION SELECT * FROM gallery2 WHERE topic_id="905356" UNION SELECT * FROM gallery2 WHERE topic_id="1677188" UNION SELECT * FROM gallery2 WHERE topic_id="1654686" UNION SELECT * FROM gallery2 WHERE topic_id="283246" UNION SELECT * FROM gallery2 WHERE topic_id="56792" UNION SELECT * FROM gallery2 WHERE topic_id="485119" UNION SELECT * FROM gallery2 WHERE topic_id="34374" UNION SELECT * FROM gallery2 WHERE topic_id="1776206" UNION SELECT * FROM gallery2 WHERE topic_id="1466302"