Ok lets try from the back

SELECT * FROM gallery2 WHERE topic_id="1190855" UNION SELECT * FROM gallery2 WHERE topic_id="352549" UNION SELECT * FROM gallery2 WHERE topic_id="724030" UNION SELECT * FROM gallery2 WHERE topic_id="599631" UNION SELECT * FROM gallery2 WHERE topic_id="572301" UNION SELECT * FROM gallery2 WHERE topic_id="1339591" UNION SELECT * FROM gallery2 WHERE topic_id="515928" UNION SELECT * FROM gallery2 WHERE topic_id="1074067" UNION SELECT * FROM gallery2 WHERE topic_id="624160" UNION SELECT * FROM gallery2 WHERE topic_id="1541288" UNION SELECT * FROM gallery2 WHERE topic_id="749608" UNION SELECT * FROM gallery2 WHERE topic_id="1361286" UNION SELECT * FROM gallery2 WHERE topic_id="1492999" UNION SELECT * FROM gallery2 WHERE topic_id="1095806" UNION SELECT * FROM gallery2 WHERE topic_id="137224" UNION SELECT * FROM gallery2 WHERE topic_id="136731"