Ladder

SELECT * FROM gallery2 WHERE topic_id="768063" UNION SELECT * FROM gallery2 WHERE topic_id="1766435" UNION SELECT * FROM gallery2 WHERE topic_id="1080727" UNION SELECT * FROM gallery2 WHERE topic_id="1162011" UNION SELECT * FROM gallery2 WHERE topic_id="1616185" UNION SELECT * FROM gallery2 WHERE topic_id="450942" UNION SELECT * FROM gallery2 WHERE topic_id="1391080" UNION SELECT * FROM gallery2 WHERE topic_id="656803" UNION SELECT * FROM gallery2 WHERE topic_id="1796765" UNION SELECT * FROM gallery2 WHERE topic_id="496714" UNION SELECT * FROM gallery2 WHERE topic_id="1263670" UNION SELECT * FROM gallery2 WHERE topic_id="895213" UNION SELECT * FROM gallery2 WHERE topic_id="1763185" UNION SELECT * FROM gallery2 WHERE topic_id="155111" UNION SELECT * FROM gallery2 WHERE topic_id="1486135" UNION SELECT * FROM gallery2 WHERE topic_id="1132461"