Have a slice

SELECT * FROM gallery2 WHERE topic_id="321218" UNION SELECT * FROM gallery2 WHERE topic_id="1714178" UNION SELECT * FROM gallery2 WHERE topic_id="308539" UNION SELECT * FROM gallery2 WHERE topic_id="1677787" UNION SELECT * FROM gallery2 WHERE topic_id="1645951" UNION SELECT * FROM gallery2 WHERE topic_id="1763100" UNION SELECT * FROM gallery2 WHERE topic_id="1470512" UNION SELECT * FROM gallery2 WHERE topic_id="1279186" UNION SELECT * FROM gallery2 WHERE topic_id="797916" UNION SELECT * FROM gallery2 WHERE topic_id="1083148" UNION SELECT * FROM gallery2 WHERE topic_id="1058300" UNION SELECT * FROM gallery2 WHERE topic_id="578264" UNION SELECT * FROM gallery2 WHERE topic_id="567223" UNION SELECT * FROM gallery2 WHERE topic_id="1196853" UNION SELECT * FROM gallery2 WHERE topic_id="630492" UNION SELECT * FROM gallery2 WHERE topic_id="340786"