Which hole you choosing first?

SELECT * FROM gallery2 WHERE topic_id="1012502" UNION SELECT * FROM gallery2 WHERE topic_id="1182683" UNION SELECT * FROM gallery2 WHERE topic_id="1220116" UNION SELECT * FROM gallery2 WHERE topic_id="971643" UNION SELECT * FROM gallery2 WHERE topic_id="907530" UNION SELECT * FROM gallery2 WHERE topic_id="1702481" UNION SELECT * FROM gallery2 WHERE topic_id="1119519" UNION SELECT * FROM gallery2 WHERE topic_id="1732676" UNION SELECT * FROM gallery2 WHERE topic_id="499369" UNION SELECT * FROM gallery2 WHERE topic_id="789036" UNION SELECT * FROM gallery2 WHERE topic_id="1293776" UNION SELECT * FROM gallery2 WHERE topic_id="1320403" UNION SELECT * FROM gallery2 WHERE topic_id="530125" UNION SELECT * FROM gallery2 WHERE topic_id="630470" UNION SELECT * FROM gallery2 WHERE topic_id="644393" UNION SELECT * FROM gallery2 WHERE topic_id="1261017"