On and o(f)f

SELECT * FROM gallery2 WHERE topic_id="1673595" UNION SELECT * FROM gallery2 WHERE topic_id="65799" UNION SELECT * FROM gallery2 WHERE topic_id="1381330" UNION SELECT * FROM gallery2 WHERE topic_id="338671" UNION SELECT * FROM gallery2 WHERE topic_id="1827911" UNION SELECT * FROM gallery2 WHERE topic_id="1439741" UNION SELECT * FROM gallery2 WHERE topic_id="743177" UNION SELECT * FROM gallery2 WHERE topic_id="53756" UNION SELECT * FROM gallery2 WHERE topic_id="1809639" UNION SELECT * FROM gallery2 WHERE topic_id="1369350" UNION SELECT * FROM gallery2 WHERE topic_id="344146" UNION SELECT * FROM gallery2 WHERE topic_id="514359" UNION SELECT * FROM gallery2 WHERE topic_id="19115" UNION SELECT * FROM gallery2 WHERE topic_id="181541" UNION SELECT * FROM gallery2 WHERE topic_id="379942" UNION SELECT * FROM gallery2 WHERE topic_id="1123670"