Ready for a double stuffing

SELECT * FROM gallery2 WHERE topic_id="1238349" UNION SELECT * FROM gallery2 WHERE topic_id="1647587" UNION SELECT * FROM gallery2 WHERE topic_id="792081" UNION SELECT * FROM gallery2 WHERE topic_id="923436" UNION SELECT * FROM gallery2 WHERE topic_id="1091470" UNION SELECT * FROM gallery2 WHERE topic_id="1589582" UNION SELECT * FROM gallery2 WHERE topic_id="1313503" UNION SELECT * FROM gallery2 WHERE topic_id="236841" UNION SELECT * FROM gallery2 WHERE topic_id="886479" UNION SELECT * FROM gallery2 WHERE topic_id="1051280" UNION SELECT * FROM gallery2 WHERE topic_id="1118909" UNION SELECT * FROM gallery2 WHERE topic_id="1127665" UNION SELECT * FROM gallery2 WHERE topic_id="1513168" UNION SELECT * FROM gallery2 WHERE topic_id="1477312" UNION SELECT * FROM gallery2 WHERE topic_id="1494550" UNION SELECT * FROM gallery2 WHERE topic_id="1649623"