left or right

SELECT * FROM gallery2 WHERE topic_id="1243960" UNION SELECT * FROM gallery2 WHERE topic_id="799115" UNION SELECT * FROM gallery2 WHERE topic_id="1710282" UNION SELECT * FROM gallery2 WHERE topic_id="943801" UNION SELECT * FROM gallery2 WHERE topic_id="1765738" UNION SELECT * FROM gallery2 WHERE topic_id="458654" UNION SELECT * FROM gallery2 WHERE topic_id="275302" UNION SELECT * FROM gallery2 WHERE topic_id="1731390" UNION SELECT * FROM gallery2 WHERE topic_id="326759" UNION SELECT * FROM gallery2 WHERE topic_id="1688078" UNION SELECT * FROM gallery2 WHERE topic_id="685881" UNION SELECT * FROM gallery2 WHERE topic_id="1415699" UNION SELECT * FROM gallery2 WHERE topic_id="175926" UNION SELECT * FROM gallery2 WHERE topic_id="3798" UNION SELECT * FROM gallery2 WHERE topic_id="1783660" UNION SELECT * FROM gallery2 WHERE topic_id="946914"