Packing at the back

SELECT * FROM gallery2 WHERE topic_id="1129485" UNION SELECT * FROM gallery2 WHERE topic_id="1594504" UNION SELECT * FROM gallery2 WHERE topic_id="55813" UNION SELECT * FROM gallery2 WHERE topic_id="1523023" UNION SELECT * FROM gallery2 WHERE topic_id="204143" UNION SELECT * FROM gallery2 WHERE topic_id="1688456" UNION SELECT * FROM gallery2 WHERE topic_id="395014" UNION SELECT * FROM gallery2 WHERE topic_id="590831" UNION SELECT * FROM gallery2 WHERE topic_id="1744671" UNION SELECT * FROM gallery2 WHERE topic_id="1192310" UNION SELECT * FROM gallery2 WHERE topic_id="1134683" UNION SELECT * FROM gallery2 WHERE topic_id="749334" UNION SELECT * FROM gallery2 WHERE topic_id="1398766" UNION SELECT * FROM gallery2 WHERE topic_id="1604046" UNION SELECT * FROM gallery2 WHERE topic_id="104387" UNION SELECT * FROM gallery2 WHERE topic_id="1394886"