I got a bubble [f]

SELECT * FROM gallery2 WHERE topic_id="1535204" UNION SELECT * FROM gallery2 WHERE topic_id="664161" UNION SELECT * FROM gallery2 WHERE topic_id="1445644" UNION SELECT * FROM gallery2 WHERE topic_id="920387" UNION SELECT * FROM gallery2 WHERE topic_id="64955" UNION SELECT * FROM gallery2 WHERE topic_id="1697048" UNION SELECT * FROM gallery2 WHERE topic_id="667953" UNION SELECT * FROM gallery2 WHERE topic_id="1129327" UNION SELECT * FROM gallery2 WHERE topic_id="1354483" UNION SELECT * FROM gallery2 WHERE topic_id="122287" UNION SELECT * FROM gallery2 WHERE topic_id="270640" UNION SELECT * FROM gallery2 WHERE topic_id="1077903" UNION SELECT * FROM gallery2 WHERE topic_id="1706865" UNION SELECT * FROM gallery2 WHERE topic_id="782129" UNION SELECT * FROM gallery2 WHERE topic_id="545861" UNION SELECT * FROM gallery2 WHERE topic_id="1731939"