in POSITION

SELECT * FROM gallery2 WHERE topic_id="472832" UNION SELECT * FROM gallery2 WHERE topic_id="664403" UNION SELECT * FROM gallery2 WHERE topic_id="1653366" UNION SELECT * FROM gallery2 WHERE topic_id="1332636" UNION SELECT * FROM gallery2 WHERE topic_id="1552113" UNION SELECT * FROM gallery2 WHERE topic_id="809168" UNION SELECT * FROM gallery2 WHERE topic_id="1164982" UNION SELECT * FROM gallery2 WHERE topic_id="549463" UNION SELECT * FROM gallery2 WHERE topic_id="1752945" UNION SELECT * FROM gallery2 WHERE topic_id="119255" UNION SELECT * FROM gallery2 WHERE topic_id="568736" UNION SELECT * FROM gallery2 WHERE topic_id="843111" UNION SELECT * FROM gallery2 WHERE topic_id="1533203" UNION SELECT * FROM gallery2 WHERE topic_id="1810449" UNION SELECT * FROM gallery2 WHERE topic_id="1497154" UNION SELECT * FROM gallery2 WHERE topic_id="1245034"