Just a thin string

SELECT * FROM gallery2 WHERE topic_id="117349" UNION SELECT * FROM gallery2 WHERE topic_id="437166" UNION SELECT * FROM gallery2 WHERE topic_id="78631" UNION SELECT * FROM gallery2 WHERE topic_id="1669678" UNION SELECT * FROM gallery2 WHERE topic_id="658396" UNION SELECT * FROM gallery2 WHERE topic_id="60000" UNION SELECT * FROM gallery2 WHERE topic_id="340936" UNION SELECT * FROM gallery2 WHERE topic_id="508855" UNION SELECT * FROM gallery2 WHERE topic_id="1721839" UNION SELECT * FROM gallery2 WHERE topic_id="400116" UNION SELECT * FROM gallery2 WHERE topic_id="1267010" UNION SELECT * FROM gallery2 WHERE topic_id="1781980" UNION SELECT * FROM gallery2 WHERE topic_id="1687400" UNION SELECT * FROM gallery2 WHERE topic_id="1698530" UNION SELECT * FROM gallery2 WHERE topic_id="1734325" UNION SELECT * FROM gallery2 WHERE topic_id="1169248"