Perfect

SELECT * FROM gallery2 WHERE topic_id="189252" UNION SELECT * FROM gallery2 WHERE topic_id="551395" UNION SELECT * FROM gallery2 WHERE topic_id="136744" UNION SELECT * FROM gallery2 WHERE topic_id="1385408" UNION SELECT * FROM gallery2 WHERE topic_id="864659" UNION SELECT * FROM gallery2 WHERE topic_id="567706" UNION SELECT * FROM gallery2 WHERE topic_id="1521628" UNION SELECT * FROM gallery2 WHERE topic_id="1079452" UNION SELECT * FROM gallery2 WHERE topic_id="1056614" UNION SELECT * FROM gallery2 WHERE topic_id="1706411" UNION SELECT * FROM gallery2 WHERE topic_id="40181" UNION SELECT * FROM gallery2 WHERE topic_id="878586" UNION SELECT * FROM gallery2 WHERE topic_id="1161014" UNION SELECT * FROM gallery2 WHERE topic_id="353327" UNION SELECT * FROM gallery2 WHERE topic_id="1288223" UNION SELECT * FROM gallery2 WHERE topic_id="853154"