Left or right

SELECT * FROM gallery2 WHERE topic_id="1662019" UNION SELECT * FROM gallery2 WHERE topic_id="1161911" UNION SELECT * FROM gallery2 WHERE topic_id="23510" UNION SELECT * FROM gallery2 WHERE topic_id="1136558" UNION SELECT * FROM gallery2 WHERE topic_id="1596623" UNION SELECT * FROM gallery2 WHERE topic_id="402636" UNION SELECT * FROM gallery2 WHERE topic_id="1594682" UNION SELECT * FROM gallery2 WHERE topic_id="1825348" UNION SELECT * FROM gallery2 WHERE topic_id="1053965" UNION SELECT * FROM gallery2 WHERE topic_id="540344" UNION SELECT * FROM gallery2 WHERE topic_id="862493" UNION SELECT * FROM gallery2 WHERE topic_id="950259" UNION SELECT * FROM gallery2 WHERE topic_id="730278" UNION SELECT * FROM gallery2 WHERE topic_id="409941" UNION SELECT * FROM gallery2 WHERE topic_id="1295834" UNION SELECT * FROM gallery2 WHERE topic_id="614846"