Fully covered

SELECT * FROM gallery2 WHERE topic_id="1545351" UNION SELECT * FROM gallery2 WHERE topic_id="1423572" UNION SELECT * FROM gallery2 WHERE topic_id="617565" UNION SELECT * FROM gallery2 WHERE topic_id="1061922" UNION SELECT * FROM gallery2 WHERE topic_id="1518972" UNION SELECT * FROM gallery2 WHERE topic_id="162937" UNION SELECT * FROM gallery2 WHERE topic_id="1119533" UNION SELECT * FROM gallery2 WHERE topic_id="448877" UNION SELECT * FROM gallery2 WHERE topic_id="1686251" UNION SELECT * FROM gallery2 WHERE topic_id="1158216" UNION SELECT * FROM gallery2 WHERE topic_id="691784" UNION SELECT * FROM gallery2 WHERE topic_id="331671" UNION SELECT * FROM gallery2 WHERE topic_id="1431150" UNION SELECT * FROM gallery2 WHERE topic_id="755664" UNION SELECT * FROM gallery2 WHERE topic_id="1359999" UNION SELECT * FROM gallery2 WHERE topic_id="1559543"