Closer

SELECT * FROM gallery2 WHERE topic_id="1327725" UNION SELECT * FROM gallery2 WHERE topic_id="1386709" UNION SELECT * FROM gallery2 WHERE topic_id="1445274" UNION SELECT * FROM gallery2 WHERE topic_id="492914" UNION SELECT * FROM gallery2 WHERE topic_id="1670676" UNION SELECT * FROM gallery2 WHERE topic_id="1658008" UNION SELECT * FROM gallery2 WHERE topic_id="1039927" UNION SELECT * FROM gallery2 WHERE topic_id="518666" UNION SELECT * FROM gallery2 WHERE topic_id="652161" UNION SELECT * FROM gallery2 WHERE topic_id="655708" UNION SELECT * FROM gallery2 WHERE topic_id="1549593" UNION SELECT * FROM gallery2 WHERE topic_id="812501" UNION SELECT * FROM gallery2 WHERE topic_id="647490" UNION SELECT * FROM gallery2 WHERE topic_id="1207574" UNION SELECT * FROM gallery2 WHERE topic_id="1563771" UNION SELECT * FROM gallery2 WHERE topic_id="1317659"