Overflowing

SELECT * FROM gallery2 WHERE topic_id="780565" UNION SELECT * FROM gallery2 WHERE topic_id="794461" UNION SELECT * FROM gallery2 WHERE topic_id="886218" UNION SELECT * FROM gallery2 WHERE topic_id="448052" UNION SELECT * FROM gallery2 WHERE topic_id="1647295" UNION SELECT * FROM gallery2 WHERE topic_id="1705789" UNION SELECT * FROM gallery2 WHERE topic_id="1415770" UNION SELECT * FROM gallery2 WHERE topic_id="396949" UNION SELECT * FROM gallery2 WHERE topic_id="1268790" UNION SELECT * FROM gallery2 WHERE topic_id="73598" UNION SELECT * FROM gallery2 WHERE topic_id="320183" UNION SELECT * FROM gallery2 WHERE topic_id="1386878" UNION SELECT * FROM gallery2 WHERE topic_id="1700163" UNION SELECT * FROM gallery2 WHERE topic_id="1531929" UNION SELECT * FROM gallery2 WHERE topic_id="653546" UNION SELECT * FROM gallery2 WHERE topic_id="718559"