Barely contained

SELECT * FROM gallery2 WHERE topic_id="503887" UNION SELECT * FROM gallery2 WHERE topic_id="493879" UNION SELECT * FROM gallery2 WHERE topic_id="1387471" UNION SELECT * FROM gallery2 WHERE topic_id="88242" UNION SELECT * FROM gallery2 WHERE topic_id="981874" UNION SELECT * FROM gallery2 WHERE topic_id="708673" UNION SELECT * FROM gallery2 WHERE topic_id="1178401" UNION SELECT * FROM gallery2 WHERE topic_id="598983" UNION SELECT * FROM gallery2 WHERE topic_id="728844" UNION SELECT * FROM gallery2 WHERE topic_id="254453" UNION SELECT * FROM gallery2 WHERE topic_id="1490688" UNION SELECT * FROM gallery2 WHERE topic_id="635484" UNION SELECT * FROM gallery2 WHERE topic_id="1730617" UNION SELECT * FROM gallery2 WHERE topic_id="1250950" UNION SELECT * FROM gallery2 WHERE topic_id="307412" UNION SELECT * FROM gallery2 WHERE topic_id="1340903"