want it fast and deep bb

SELECT * FROM gallery2 WHERE topic_id="852009" UNION SELECT * FROM gallery2 WHERE topic_id="1102295" UNION SELECT * FROM gallery2 WHERE topic_id="489365" UNION SELECT * FROM gallery2 WHERE topic_id="1285128" UNION SELECT * FROM gallery2 WHERE topic_id="1687660" UNION SELECT * FROM gallery2 WHERE topic_id="1284909" UNION SELECT * FROM gallery2 WHERE topic_id="221691" UNION SELECT * FROM gallery2 WHERE topic_id="1552847" UNION SELECT * FROM gallery2 WHERE topic_id="548623" UNION SELECT * FROM gallery2 WHERE topic_id="1714257" UNION SELECT * FROM gallery2 WHERE topic_id="1458297" UNION SELECT * FROM gallery2 WHERE topic_id="804419" UNION SELECT * FROM gallery2 WHERE topic_id="66111" UNION SELECT * FROM gallery2 WHERE topic_id="449126" UNION SELECT * FROM gallery2 WHERE topic_id="1740429" UNION SELECT * FROM gallery2 WHERE topic_id="853796"