Only getting tighter

SELECT * FROM gallery2 WHERE topic_id="54099" UNION SELECT * FROM gallery2 WHERE topic_id="618193" UNION SELECT * FROM gallery2 WHERE topic_id="854270" UNION SELECT * FROM gallery2 WHERE topic_id="549450" UNION SELECT * FROM gallery2 WHERE topic_id="643889" UNION SELECT * FROM gallery2 WHERE topic_id="224835" UNION SELECT * FROM gallery2 WHERE topic_id="1615858" UNION SELECT * FROM gallery2 WHERE topic_id="1388262" UNION SELECT * FROM gallery2 WHERE topic_id="863402" UNION SELECT * FROM gallery2 WHERE topic_id="513492" UNION SELECT * FROM gallery2 WHERE topic_id="856285" UNION SELECT * FROM gallery2 WHERE topic_id="1506694" UNION SELECT * FROM gallery2 WHERE topic_id="1208493" UNION SELECT * FROM gallery2 WHERE topic_id="1820395" UNION SELECT * FROM gallery2 WHERE topic_id="824402" UNION SELECT * FROM gallery2 WHERE topic_id="715540"