Cum from behind

SELECT * FROM gallery2 WHERE topic_id="1096467" UNION SELECT * FROM gallery2 WHERE topic_id="399254" UNION SELECT * FROM gallery2 WHERE topic_id="427860" UNION SELECT * FROM gallery2 WHERE topic_id="825716" UNION SELECT * FROM gallery2 WHERE topic_id="1352411" UNION SELECT * FROM gallery2 WHERE topic_id="162599" UNION SELECT * FROM gallery2 WHERE topic_id="896937" UNION SELECT * FROM gallery2 WHERE topic_id="1149320" UNION SELECT * FROM gallery2 WHERE topic_id="95700" UNION SELECT * FROM gallery2 WHERE topic_id="517979" UNION SELECT * FROM gallery2 WHERE topic_id="814159" UNION SELECT * FROM gallery2 WHERE topic_id="157846" UNION SELECT * FROM gallery2 WHERE topic_id="1728543" UNION SELECT * FROM gallery2 WHERE topic_id="1668859" UNION SELECT * FROM gallery2 WHERE topic_id="86103" UNION SELECT * FROM gallery2 WHERE topic_id="459565"