Perfect

SELECT * FROM gallery2 WHERE topic_id="1571063" UNION SELECT * FROM gallery2 WHERE topic_id="404381" UNION SELECT * FROM gallery2 WHERE topic_id="1246541" UNION SELECT * FROM gallery2 WHERE topic_id="1077154" UNION SELECT * FROM gallery2 WHERE topic_id="1377368" UNION SELECT * FROM gallery2 WHERE topic_id="1575047" UNION SELECT * FROM gallery2 WHERE topic_id="853634" UNION SELECT * FROM gallery2 WHERE topic_id="208250" UNION SELECT * FROM gallery2 WHERE topic_id="892892" UNION SELECT * FROM gallery2 WHERE topic_id="21594" UNION SELECT * FROM gallery2 WHERE topic_id="499277" UNION SELECT * FROM gallery2 WHERE topic_id="9878" UNION SELECT * FROM gallery2 WHERE topic_id="1075822" UNION SELECT * FROM gallery2 WHERE topic_id="1538972" UNION SELECT * FROM gallery2 WHERE topic_id="1683254" UNION SELECT * FROM gallery2 WHERE topic_id="1290198"