Best friends IRTR

SELECT * FROM gallery2 WHERE topic_id="1213644" UNION SELECT * FROM gallery2 WHERE topic_id="968996" UNION SELECT * FROM gallery2 WHERE topic_id="1585408" UNION SELECT * FROM gallery2 WHERE topic_id="319045" UNION SELECT * FROM gallery2 WHERE topic_id="994953" UNION SELECT * FROM gallery2 WHERE topic_id="76019" UNION SELECT * FROM gallery2 WHERE topic_id="1346785" UNION SELECT * FROM gallery2 WHERE topic_id="1256479" UNION SELECT * FROM gallery2 WHERE topic_id="1798393" UNION SELECT * FROM gallery2 WHERE topic_id="1415135" UNION SELECT * FROM gallery2 WHERE topic_id="106612" UNION SELECT * FROM gallery2 WHERE topic_id="77080" UNION SELECT * FROM gallery2 WHERE topic_id="215942" UNION SELECT * FROM gallery2 WHERE topic_id="1108515" UNION SELECT * FROM gallery2 WHERE topic_id="1088803" UNION SELECT * FROM gallery2 WHERE topic_id="1310492"