level : hard

SELECT * FROM gallery2 WHERE topic_id="574081" UNION SELECT * FROM gallery2 WHERE topic_id="543804" UNION SELECT * FROM gallery2 WHERE topic_id="1549371" UNION SELECT * FROM gallery2 WHERE topic_id="598325" UNION SELECT * FROM gallery2 WHERE topic_id="1493074" UNION SELECT * FROM gallery2 WHERE topic_id="1797002" UNION SELECT * FROM gallery2 WHERE topic_id="1792305" UNION SELECT * FROM gallery2 WHERE topic_id="1798536" UNION SELECT * FROM gallery2 WHERE topic_id="214216" UNION SELECT * FROM gallery2 WHERE topic_id="1735160" UNION SELECT * FROM gallery2 WHERE topic_id="687795" UNION SELECT * FROM gallery2 WHERE topic_id="1007062" UNION SELECT * FROM gallery2 WHERE topic_id="464699" UNION SELECT * FROM gallery2 WHERE topic_id="1688531" UNION SELECT * FROM gallery2 WHERE topic_id="1492657" UNION SELECT * FROM gallery2 WHERE topic_id="1743866"