Simulation

SELECT * FROM gallery2 WHERE topic_id="747005" UNION SELECT * FROM gallery2 WHERE topic_id="228443" UNION SELECT * FROM gallery2 WHERE topic_id="1313225" UNION SELECT * FROM gallery2 WHERE topic_id="236589" UNION SELECT * FROM gallery2 WHERE topic_id="1513017" UNION SELECT * FROM gallery2 WHERE topic_id="400097" UNION SELECT * FROM gallery2 WHERE topic_id="1495007" UNION SELECT * FROM gallery2 WHERE topic_id="1467703" UNION SELECT * FROM gallery2 WHERE topic_id="1655150" UNION SELECT * FROM gallery2 WHERE topic_id="161582" UNION SELECT * FROM gallery2 WHERE topic_id="969105" UNION SELECT * FROM gallery2 WHERE topic_id="303346" UNION SELECT * FROM gallery2 WHERE topic_id="939666" UNION SELECT * FROM gallery2 WHERE topic_id="52879" UNION SELECT * FROM gallery2 WHERE topic_id="333685" UNION SELECT * FROM gallery2 WHERE topic_id="639311"