Favourite position

SELECT * FROM gallery2 WHERE topic_id="1136531" UNION SELECT * FROM gallery2 WHERE topic_id="436175" UNION SELECT * FROM gallery2 WHERE topic_id="1255211" UNION SELECT * FROM gallery2 WHERE topic_id="136597" UNION SELECT * FROM gallery2 WHERE topic_id="1540120" UNION SELECT * FROM gallery2 WHERE topic_id="1226867" UNION SELECT * FROM gallery2 WHERE topic_id="118033" UNION SELECT * FROM gallery2 WHERE topic_id="276999" UNION SELECT * FROM gallery2 WHERE topic_id="1153273" UNION SELECT * FROM gallery2 WHERE topic_id="1245765" UNION SELECT * FROM gallery2 WHERE topic_id="247488" UNION SELECT * FROM gallery2 WHERE topic_id="377396" UNION SELECT * FROM gallery2 WHERE topic_id="1164176" UNION SELECT * FROM gallery2 WHERE topic_id="756208" UNION SELECT * FROM gallery2 WHERE topic_id="1411564" UNION SELECT * FROM gallery2 WHERE topic_id="642626"