Cum closer

SELECT * FROM gallery2 WHERE topic_id="1656138" UNION SELECT * FROM gallery2 WHERE topic_id="891504" UNION SELECT * FROM gallery2 WHERE topic_id="1647955" UNION SELECT * FROM gallery2 WHERE topic_id="1637277" UNION SELECT * FROM gallery2 WHERE topic_id="852455" UNION SELECT * FROM gallery2 WHERE topic_id="880955" UNION SELECT * FROM gallery2 WHERE topic_id="478410" UNION SELECT * FROM gallery2 WHERE topic_id="1512386" UNION SELECT * FROM gallery2 WHERE topic_id="1765323" UNION SELECT * FROM gallery2 WHERE topic_id="294178" UNION SELECT * FROM gallery2 WHERE topic_id="504935" UNION SELECT * FROM gallery2 WHERE topic_id="136311" UNION SELECT * FROM gallery2 WHERE topic_id="1653160" UNION SELECT * FROM gallery2 WHERE topic_id="126400" UNION SELECT * FROM gallery2 WHERE topic_id="1825129" UNION SELECT * FROM gallery2 WHERE topic_id="670840"