IRTR

SELECT * FROM gallery2 WHERE topic_id="1821921" UNION SELECT * FROM gallery2 WHERE topic_id="956237" UNION SELECT * FROM gallery2 WHERE topic_id="1329315" UNION SELECT * FROM gallery2 WHERE topic_id="1380684" UNION SELECT * FROM gallery2 WHERE topic_id="1600583" UNION SELECT * FROM gallery2 WHERE topic_id="1406422" UNION SELECT * FROM gallery2 WHERE topic_id="1492634" UNION SELECT * FROM gallery2 WHERE topic_id="839315" UNION SELECT * FROM gallery2 WHERE topic_id="571761" UNION SELECT * FROM gallery2 WHERE topic_id="1236174" UNION SELECT * FROM gallery2 WHERE topic_id="1592947" UNION SELECT * FROM gallery2 WHERE topic_id="852997" UNION SELECT * FROM gallery2 WHERE topic_id="324324" UNION SELECT * FROM gallery2 WHERE topic_id="1325372" UNION SELECT * FROM gallery2 WHERE topic_id="1481895" UNION SELECT * FROM gallery2 WHERE topic_id="138927"