Group special

SELECT * FROM gallery2 WHERE topic_id="780553" UNION SELECT * FROM gallery2 WHERE topic_id="301435" UNION SELECT * FROM gallery2 WHERE topic_id="492575" UNION SELECT * FROM gallery2 WHERE topic_id="231588" UNION SELECT * FROM gallery2 WHERE topic_id="851196" UNION SELECT * FROM gallery2 WHERE topic_id="1440327" UNION SELECT * FROM gallery2 WHERE topic_id="928239" UNION SELECT * FROM gallery2 WHERE topic_id="937429" UNION SELECT * FROM gallery2 WHERE topic_id="1792364" UNION SELECT * FROM gallery2 WHERE topic_id="815858" UNION SELECT * FROM gallery2 WHERE topic_id="819917" UNION SELECT * FROM gallery2 WHERE topic_id="212105" UNION SELECT * FROM gallery2 WHERE topic_id="1752878" UNION SELECT * FROM gallery2 WHERE topic_id="7676" UNION SELECT * FROM gallery2 WHERE topic_id="406016" UNION SELECT * FROM gallery2 WHERE topic_id="1533822"