what did u notice first ? :)

SELECT * FROM gallery2 WHERE topic_id="1576816" UNION SELECT * FROM gallery2 WHERE topic_id="226810" UNION SELECT * FROM gallery2 WHERE topic_id="860753" UNION SELECT * FROM gallery2 WHERE topic_id="1283381" UNION SELECT * FROM gallery2 WHERE topic_id="937102" UNION SELECT * FROM gallery2 WHERE topic_id="1252815" UNION SELECT * FROM gallery2 WHERE topic_id="879714" UNION SELECT * FROM gallery2 WHERE topic_id="1451545" UNION SELECT * FROM gallery2 WHERE topic_id="805426" UNION SELECT * FROM gallery2 WHERE topic_id="399655" UNION SELECT * FROM gallery2 WHERE topic_id="1770507" UNION SELECT * FROM gallery2 WHERE topic_id="817092" UNION SELECT * FROM gallery2 WHERE topic_id="253515" UNION SELECT * FROM gallery2 WHERE topic_id="1543980" UNION SELECT * FROM gallery2 WHERE topic_id="1433540" UNION SELECT * FROM gallery2 WHERE topic_id="994776"