Perfect

SELECT * FROM gallery2 WHERE topic_id="1722553" UNION SELECT * FROM gallery2 WHERE topic_id="324499" UNION SELECT * FROM gallery2 WHERE topic_id="328936" UNION SELECT * FROM gallery2 WHERE topic_id="1647656" UNION SELECT * FROM gallery2 WHERE topic_id="883369" UNION SELECT * FROM gallery2 WHERE topic_id="772603" UNION SELECT * FROM gallery2 WHERE topic_id="761271" UNION SELECT * FROM gallery2 WHERE topic_id="981837" UNION SELECT * FROM gallery2 WHERE topic_id="1294779" UNION SELECT * FROM gallery2 WHERE topic_id="1044587" UNION SELECT * FROM gallery2 WHERE topic_id="1330680" UNION SELECT * FROM gallery2 WHERE topic_id="1095992" UNION SELECT * FROM gallery2 WHERE topic_id="238119" UNION SELECT * FROM gallery2 WHERE topic_id="219648" UNION SELECT * FROM gallery2 WHERE topic_id="1443092" UNION SELECT * FROM gallery2 WHERE topic_id="478688"