Straining

SELECT * FROM gallery2 WHERE topic_id="338762" UNION SELECT * FROM gallery2 WHERE topic_id="1221089" UNION SELECT * FROM gallery2 WHERE topic_id="1527169" UNION SELECT * FROM gallery2 WHERE topic_id="1377324" UNION SELECT * FROM gallery2 WHERE topic_id="481910" UNION SELECT * FROM gallery2 WHERE topic_id="1003969" UNION SELECT * FROM gallery2 WHERE topic_id="11426" UNION SELECT * FROM gallery2 WHERE topic_id="1796162" UNION SELECT * FROM gallery2 WHERE topic_id="648398" UNION SELECT * FROM gallery2 WHERE topic_id="403822" UNION SELECT * FROM gallery2 WHERE topic_id="1747477" UNION SELECT * FROM gallery2 WHERE topic_id="519886" UNION SELECT * FROM gallery2 WHERE topic_id="458265" UNION SELECT * FROM gallery2 WHERE topic_id="1146579" UNION SELECT * FROM gallery2 WHERE topic_id="1391144" UNION SELECT * FROM gallery2 WHERE topic_id="569920"