by the steps

SELECT * FROM gallery2 WHERE topic_id="159788" UNION SELECT * FROM gallery2 WHERE topic_id="1698944" UNION SELECT * FROM gallery2 WHERE topic_id="860553" UNION SELECT * FROM gallery2 WHERE topic_id="788280" UNION SELECT * FROM gallery2 WHERE topic_id="1532809" UNION SELECT * FROM gallery2 WHERE topic_id="1107152" UNION SELECT * FROM gallery2 WHERE topic_id="1180850" UNION SELECT * FROM gallery2 WHERE topic_id="583028" UNION SELECT * FROM gallery2 WHERE topic_id="1479310" UNION SELECT * FROM gallery2 WHERE topic_id="1710491" UNION SELECT * FROM gallery2 WHERE topic_id="760472" UNION SELECT * FROM gallery2 WHERE topic_id="498499" UNION SELECT * FROM gallery2 WHERE topic_id="1192380" UNION SELECT * FROM gallery2 WHERE topic_id="938631" UNION SELECT * FROM gallery2 WHERE topic_id="133127" UNION SELECT * FROM gallery2 WHERE topic_id="469409"