Left or right

SELECT * FROM gallery2 WHERE topic_id="771457" UNION SELECT * FROM gallery2 WHERE topic_id="331632" UNION SELECT * FROM gallery2 WHERE topic_id="965402" UNION SELECT * FROM gallery2 WHERE topic_id="1373132" UNION SELECT * FROM gallery2 WHERE topic_id="423723" UNION SELECT * FROM gallery2 WHERE topic_id="1023467" UNION SELECT * FROM gallery2 WHERE topic_id="1813153" UNION SELECT * FROM gallery2 WHERE topic_id="1552997" UNION SELECT * FROM gallery2 WHERE topic_id="758275" UNION SELECT * FROM gallery2 WHERE topic_id="1507743" UNION SELECT * FROM gallery2 WHERE topic_id="1144453" UNION SELECT * FROM gallery2 WHERE topic_id="125870" UNION SELECT * FROM gallery2 WHERE topic_id="1354387" UNION SELECT * FROM gallery2 WHERE topic_id="924138" UNION SELECT * FROM gallery2 WHERE topic_id="868092" UNION SELECT * FROM gallery2 WHERE topic_id="980087"