tight IRTR

SELECT * FROM gallery2 WHERE topic_id="1286620" UNION SELECT * FROM gallery2 WHERE topic_id="849129" UNION SELECT * FROM gallery2 WHERE topic_id="562745" UNION SELECT * FROM gallery2 WHERE topic_id="1262319" UNION SELECT * FROM gallery2 WHERE topic_id="60956" UNION SELECT * FROM gallery2 WHERE topic_id="369193" UNION SELECT * FROM gallery2 WHERE topic_id="839955" UNION SELECT * FROM gallery2 WHERE topic_id="1179689" UNION SELECT * FROM gallery2 WHERE topic_id="1528584" UNION SELECT * FROM gallery2 WHERE topic_id="1587722" UNION SELECT * FROM gallery2 WHERE topic_id="1124607" UNION SELECT * FROM gallery2 WHERE topic_id="1818501" UNION SELECT * FROM gallery2 WHERE topic_id="1783570" UNION SELECT * FROM gallery2 WHERE topic_id="1116047" UNION SELECT * FROM gallery2 WHERE topic_id="565975" UNION SELECT * FROM gallery2 WHERE topic_id="4727"