Perfectly used

SELECT * FROM gallery2 WHERE topic_id="1623241" UNION SELECT * FROM gallery2 WHERE topic_id="1432423" UNION SELECT * FROM gallery2 WHERE topic_id="151091" UNION SELECT * FROM gallery2 WHERE topic_id="325366" UNION SELECT * FROM gallery2 WHERE topic_id="1647440" UNION SELECT * FROM gallery2 WHERE topic_id="1543938" UNION SELECT * FROM gallery2 WHERE topic_id="762266" UNION SELECT * FROM gallery2 WHERE topic_id="1449767" UNION SELECT * FROM gallery2 WHERE topic_id="242899" UNION SELECT * FROM gallery2 WHERE topic_id="517912" UNION SELECT * FROM gallery2 WHERE topic_id="1020510" UNION SELECT * FROM gallery2 WHERE topic_id="103155" UNION SELECT * FROM gallery2 WHERE topic_id="289123" UNION SELECT * FROM gallery2 WHERE topic_id="1673407" UNION SELECT * FROM gallery2 WHERE topic_id="286326" UNION SELECT * FROM gallery2 WHERE topic_id="1197385"