want it fast and deep bb

SELECT * FROM gallery2 WHERE topic_id="442382" UNION SELECT * FROM gallery2 WHERE topic_id="578856" UNION SELECT * FROM gallery2 WHERE topic_id="1484692" UNION SELECT * FROM gallery2 WHERE topic_id="1465685" UNION SELECT * FROM gallery2 WHERE topic_id="1378450" UNION SELECT * FROM gallery2 WHERE topic_id="342388" UNION SELECT * FROM gallery2 WHERE topic_id="1772784" UNION SELECT * FROM gallery2 WHERE topic_id="71220" UNION SELECT * FROM gallery2 WHERE topic_id="1133789" UNION SELECT * FROM gallery2 WHERE topic_id="1772044" UNION SELECT * FROM gallery2 WHERE topic_id="1198993" UNION SELECT * FROM gallery2 WHERE topic_id="1421014" UNION SELECT * FROM gallery2 WHERE topic_id="1060347" UNION SELECT * FROM gallery2 WHERE topic_id="1250743" UNION SELECT * FROM gallery2 WHERE topic_id="337855" UNION SELECT * FROM gallery2 WHERE topic_id="1630794"