Cum inside pls

SELECT * FROM gallery2 WHERE topic_id="776959" UNION SELECT * FROM gallery2 WHERE topic_id="1765270" UNION SELECT * FROM gallery2 WHERE topic_id="1742455" UNION SELECT * FROM gallery2 WHERE topic_id="97342" UNION SELECT * FROM gallery2 WHERE topic_id="193650" UNION SELECT * FROM gallery2 WHERE topic_id="1668466" UNION SELECT * FROM gallery2 WHERE topic_id="1097888" UNION SELECT * FROM gallery2 WHERE topic_id="1040917" UNION SELECT * FROM gallery2 WHERE topic_id="1726126" UNION SELECT * FROM gallery2 WHERE topic_id="123785" UNION SELECT * FROM gallery2 WHERE topic_id="676861" UNION SELECT * FROM gallery2 WHERE topic_id="725210" UNION SELECT * FROM gallery2 WHERE topic_id="1655530" UNION SELECT * FROM gallery2 WHERE topic_id="1818300" UNION SELECT * FROM gallery2 WHERE topic_id="1766876" UNION SELECT * FROM gallery2 WHERE topic_id="1722284"