Finally verified

SELECT * FROM gallery2 WHERE topic_id="135768" UNION SELECT * FROM gallery2 WHERE topic_id="646371" UNION SELECT * FROM gallery2 WHERE topic_id="475829" UNION SELECT * FROM gallery2 WHERE topic_id="332193" UNION SELECT * FROM gallery2 WHERE topic_id="268136" UNION SELECT * FROM gallery2 WHERE topic_id="442493" UNION SELECT * FROM gallery2 WHERE topic_id="1566553" UNION SELECT * FROM gallery2 WHERE topic_id="1796659" UNION SELECT * FROM gallery2 WHERE topic_id="1027724" UNION SELECT * FROM gallery2 WHERE topic_id="322308" UNION SELECT * FROM gallery2 WHERE topic_id="1717747" UNION SELECT * FROM gallery2 WHERE topic_id="776806" UNION SELECT * FROM gallery2 WHERE topic_id="319940" UNION SELECT * FROM gallery2 WHERE topic_id="379471" UNION SELECT * FROM gallery2 WHERE topic_id="511635" UNION SELECT * FROM gallery2 WHERE topic_id="718685"