Perfect

SELECT * FROM gallery2 WHERE topic_id="1102752" UNION SELECT * FROM gallery2 WHERE topic_id="1562828" UNION SELECT * FROM gallery2 WHERE topic_id="903899" UNION SELECT * FROM gallery2 WHERE topic_id="773195" UNION SELECT * FROM gallery2 WHERE topic_id="278056" UNION SELECT * FROM gallery2 WHERE topic_id="1202930" UNION SELECT * FROM gallery2 WHERE topic_id="944702" UNION SELECT * FROM gallery2 WHERE topic_id="567882" UNION SELECT * FROM gallery2 WHERE topic_id="437210" UNION SELECT * FROM gallery2 WHERE topic_id="971213" UNION SELECT * FROM gallery2 WHERE topic_id="1786706" UNION SELECT * FROM gallery2 WHERE topic_id="884808" UNION SELECT * FROM gallery2 WHERE topic_id="1392782" UNION SELECT * FROM gallery2 WHERE topic_id="1472895" UNION SELECT * FROM gallery2 WHERE topic_id="668229" UNION SELECT * FROM gallery2 WHERE topic_id="256795"