Overflowing

SELECT * FROM gallery2 WHERE topic_id="1809664" UNION SELECT * FROM gallery2 WHERE topic_id="1823171" UNION SELECT * FROM gallery2 WHERE topic_id="129354" UNION SELECT * FROM gallery2 WHERE topic_id="1333194" UNION SELECT * FROM gallery2 WHERE topic_id="1037347" UNION SELECT * FROM gallery2 WHERE topic_id="1449833" UNION SELECT * FROM gallery2 WHERE topic_id="821684" UNION SELECT * FROM gallery2 WHERE topic_id="291806" UNION SELECT * FROM gallery2 WHERE topic_id="937392" UNION SELECT * FROM gallery2 WHERE topic_id="1371336" UNION SELECT * FROM gallery2 WHERE topic_id="714406" UNION SELECT * FROM gallery2 WHERE topic_id="274732" UNION SELECT * FROM gallery2 WHERE topic_id="1402041" UNION SELECT * FROM gallery2 WHERE topic_id="447177" UNION SELECT * FROM gallery2 WHERE topic_id="1507664" UNION SELECT * FROM gallery2 WHERE topic_id="1538879"