A bit tight[40]

SELECT * FROM gallery2 WHERE topic_id="1704156" UNION SELECT * FROM gallery2 WHERE topic_id="359101" UNION SELECT * FROM gallery2 WHERE topic_id="481257" UNION SELECT * FROM gallery2 WHERE topic_id="780019" UNION SELECT * FROM gallery2 WHERE topic_id="1504507" UNION SELECT * FROM gallery2 WHERE topic_id="1362035" UNION SELECT * FROM gallery2 WHERE topic_id="1129950" UNION SELECT * FROM gallery2 WHERE topic_id="838914" UNION SELECT * FROM gallery2 WHERE topic_id="1382062" UNION SELECT * FROM gallery2 WHERE topic_id="1457031" UNION SELECT * FROM gallery2 WHERE topic_id="810880" UNION SELECT * FROM gallery2 WHERE topic_id="847323" UNION SELECT * FROM gallery2 WHERE topic_id="144130" UNION SELECT * FROM gallery2 WHERE topic_id="931622" UNION SELECT * FROM gallery2 WHERE topic_id="1344865" UNION SELECT * FROM gallery2 WHERE topic_id="132290"