The contrast

SELECT * FROM gallery2 WHERE topic_id="1395629" UNION SELECT * FROM gallery2 WHERE topic_id="841914" UNION SELECT * FROM gallery2 WHERE topic_id="587588" UNION SELECT * FROM gallery2 WHERE topic_id="1186727" UNION SELECT * FROM gallery2 WHERE topic_id="1696824" UNION SELECT * FROM gallery2 WHERE topic_id="992883" UNION SELECT * FROM gallery2 WHERE topic_id="1274565" UNION SELECT * FROM gallery2 WHERE topic_id="665130" UNION SELECT * FROM gallery2 WHERE topic_id="1714582" UNION SELECT * FROM gallery2 WHERE topic_id="1412143" UNION SELECT * FROM gallery2 WHERE topic_id="778161" UNION SELECT * FROM gallery2 WHERE topic_id="548266" UNION SELECT * FROM gallery2 WHERE topic_id="529997" UNION SELECT * FROM gallery2 WHERE topic_id="536356" UNION SELECT * FROM gallery2 WHERE topic_id="1666709" UNION SELECT * FROM gallery2 WHERE topic_id="725970"