Overflowing

SELECT * FROM gallery2 WHERE topic_id="1391373" UNION SELECT * FROM gallery2 WHERE topic_id="1173453" UNION SELECT * FROM gallery2 WHERE topic_id="485150" UNION SELECT * FROM gallery2 WHERE topic_id="797076" UNION SELECT * FROM gallery2 WHERE topic_id="466478" UNION SELECT * FROM gallery2 WHERE topic_id="422854" UNION SELECT * FROM gallery2 WHERE topic_id="1370580" UNION SELECT * FROM gallery2 WHERE topic_id="1492668" UNION SELECT * FROM gallery2 WHERE topic_id="178010" UNION SELECT * FROM gallery2 WHERE topic_id="1785945" UNION SELECT * FROM gallery2 WHERE topic_id="1489577" UNION SELECT * FROM gallery2 WHERE topic_id="745065" UNION SELECT * FROM gallery2 WHERE topic_id="1157333" UNION SELECT * FROM gallery2 WHERE topic_id="1124001" UNION SELECT * FROM gallery2 WHERE topic_id="1072011" UNION SELECT * FROM gallery2 WHERE topic_id="51583"