Sequence

SELECT * FROM gallery2 WHERE topic_id="1819721" UNION SELECT * FROM gallery2 WHERE topic_id="1586457" UNION SELECT * FROM gallery2 WHERE topic_id="1210851" UNION SELECT * FROM gallery2 WHERE topic_id="1492936" UNION SELECT * FROM gallery2 WHERE topic_id="36151" UNION SELECT * FROM gallery2 WHERE topic_id="306852" UNION SELECT * FROM gallery2 WHERE topic_id="388825" UNION SELECT * FROM gallery2 WHERE topic_id="509445" UNION SELECT * FROM gallery2 WHERE topic_id="1498058" UNION SELECT * FROM gallery2 WHERE topic_id="446042" UNION SELECT * FROM gallery2 WHERE topic_id="606116" UNION SELECT * FROM gallery2 WHERE topic_id="892454" UNION SELECT * FROM gallery2 WHERE topic_id="557038" UNION SELECT * FROM gallery2 WHERE topic_id="1669749" UNION SELECT * FROM gallery2 WHERE topic_id="1794816" UNION SELECT * FROM gallery2 WHERE topic_id="347571"