One of my favorite positions

SELECT * FROM gallery2 WHERE topic_id="1642832" UNION SELECT * FROM gallery2 WHERE topic_id="1556837" UNION SELECT * FROM gallery2 WHERE topic_id="1687161" UNION SELECT * FROM gallery2 WHERE topic_id="1472244" UNION SELECT * FROM gallery2 WHERE topic_id="1355330" UNION SELECT * FROM gallery2 WHERE topic_id="1163425" UNION SELECT * FROM gallery2 WHERE topic_id="997439" UNION SELECT * FROM gallery2 WHERE topic_id="909640" UNION SELECT * FROM gallery2 WHERE topic_id="272584" UNION SELECT * FROM gallery2 WHERE topic_id="1724186" UNION SELECT * FROM gallery2 WHERE topic_id="268523" UNION SELECT * FROM gallery2 WHERE topic_id="1561863" UNION SELECT * FROM gallery2 WHERE topic_id="791693" UNION SELECT * FROM gallery2 WHERE topic_id="137380" UNION SELECT * FROM gallery2 WHERE topic_id="1173523" UNION SELECT * FROM gallery2 WHERE topic_id="370201"