Ladder

SELECT * FROM gallery2 WHERE topic_id="1117791" UNION SELECT * FROM gallery2 WHERE topic_id="362270" UNION SELECT * FROM gallery2 WHERE topic_id="338307" UNION SELECT * FROM gallery2 WHERE topic_id="1493810" UNION SELECT * FROM gallery2 WHERE topic_id="375162" UNION SELECT * FROM gallery2 WHERE topic_id="1094470" UNION SELECT * FROM gallery2 WHERE topic_id="1514714" UNION SELECT * FROM gallery2 WHERE topic_id="1121611" UNION SELECT * FROM gallery2 WHERE topic_id="1711193" UNION SELECT * FROM gallery2 WHERE topic_id="482798" UNION SELECT * FROM gallery2 WHERE topic_id="152836" UNION SELECT * FROM gallery2 WHERE topic_id="578341" UNION SELECT * FROM gallery2 WHERE topic_id="294941" UNION SELECT * FROM gallery2 WHERE topic_id="182049" UNION SELECT * FROM gallery2 WHERE topic_id="1452916" UNION SELECT * FROM gallery2 WHERE topic_id="1057501"