36F (OC)

SELECT * FROM gallery2 WHERE topic_id="1620845" UNION SELECT * FROM gallery2 WHERE topic_id="1534623" UNION SELECT * FROM gallery2 WHERE topic_id="1809556" UNION SELECT * FROM gallery2 WHERE topic_id="1420269" UNION SELECT * FROM gallery2 WHERE topic_id="49962" UNION SELECT * FROM gallery2 WHERE topic_id="1565137" UNION SELECT * FROM gallery2 WHERE topic_id="911654" UNION SELECT * FROM gallery2 WHERE topic_id="587016" UNION SELECT * FROM gallery2 WHERE topic_id="608160" UNION SELECT * FROM gallery2 WHERE topic_id="1781965" UNION SELECT * FROM gallery2 WHERE topic_id="636676" UNION SELECT * FROM gallery2 WHERE topic_id="276014" UNION SELECT * FROM gallery2 WHERE topic_id="470648" UNION SELECT * FROM gallery2 WHERE topic_id="1602009" UNION SELECT * FROM gallery2 WHERE topic_id="628397" UNION SELECT * FROM gallery2 WHERE topic_id="102639"