2 of these things are not like the others

SELECT * FROM gallery2 WHERE topic_id="270490" UNION SELECT * FROM gallery2 WHERE topic_id="1458878" UNION SELECT * FROM gallery2 WHERE topic_id="1594282" UNION SELECT * FROM gallery2 WHERE topic_id="964178" UNION SELECT * FROM gallery2 WHERE topic_id="600243" UNION SELECT * FROM gallery2 WHERE topic_id="1148620" UNION SELECT * FROM gallery2 WHERE topic_id="742165" UNION SELECT * FROM gallery2 WHERE topic_id="911232" UNION SELECT * FROM gallery2 WHERE topic_id="1186730" UNION SELECT * FROM gallery2 WHERE topic_id="534591" UNION SELECT * FROM gallery2 WHERE topic_id="1249160" UNION SELECT * FROM gallery2 WHERE topic_id="656402" UNION SELECT * FROM gallery2 WHERE topic_id="696116" UNION SELECT * FROM gallery2 WHERE topic_id="1790548" UNION SELECT * FROM gallery2 WHERE topic_id="1786457" UNION SELECT * FROM gallery2 WHERE topic_id="501029"