hmm. what's different?

SELECT * FROM gallery2 WHERE topic_id="1024657" UNION SELECT * FROM gallery2 WHERE topic_id="117216" UNION SELECT * FROM gallery2 WHERE topic_id="1612524" UNION SELECT * FROM gallery2 WHERE topic_id="1113420" UNION SELECT * FROM gallery2 WHERE topic_id="35618" UNION SELECT * FROM gallery2 WHERE topic_id="1258823" UNION SELECT * FROM gallery2 WHERE topic_id="348972" UNION SELECT * FROM gallery2 WHERE topic_id="117437" UNION SELECT * FROM gallery2 WHERE topic_id="241037" UNION SELECT * FROM gallery2 WHERE topic_id="1331656" UNION SELECT * FROM gallery2 WHERE topic_id="508470" UNION SELECT * FROM gallery2 WHERE topic_id="1643885" UNION SELECT * FROM gallery2 WHERE topic_id="550613" UNION SELECT * FROM gallery2 WHERE topic_id="972220" UNION SELECT * FROM gallery2 WHERE topic_id="988066" UNION SELECT * FROM gallery2 WHERE topic_id="861480"