assuming the position

SELECT * FROM gallery2 WHERE topic_id="881746" UNION SELECT * FROM gallery2 WHERE topic_id="409729" UNION SELECT * FROM gallery2 WHERE topic_id="240283" UNION SELECT * FROM gallery2 WHERE topic_id="1128573" UNION SELECT * FROM gallery2 WHERE topic_id="191548" UNION SELECT * FROM gallery2 WHERE topic_id="1222533" UNION SELECT * FROM gallery2 WHERE topic_id="1418085" UNION SELECT * FROM gallery2 WHERE topic_id="1278644" UNION SELECT * FROM gallery2 WHERE topic_id="1725041" UNION SELECT * FROM gallery2 WHERE topic_id="1162828" UNION SELECT * FROM gallery2 WHERE topic_id="1131055" UNION SELECT * FROM gallery2 WHERE topic_id="1490043" UNION SELECT * FROM gallery2 WHERE topic_id="98650" UNION SELECT * FROM gallery2 WHERE topic_id="772373" UNION SELECT * FROM gallery2 WHERE topic_id="542197" UNION SELECT * FROM gallery2 WHERE topic_id="941184"