[2] left or right

SELECT * FROM gallery2 WHERE topic_id="590339" UNION SELECT * FROM gallery2 WHERE topic_id="708935" UNION SELECT * FROM gallery2 WHERE topic_id="1141313" UNION SELECT * FROM gallery2 WHERE topic_id="1489133" UNION SELECT * FROM gallery2 WHERE topic_id="1391523" UNION SELECT * FROM gallery2 WHERE topic_id="184975" UNION SELECT * FROM gallery2 WHERE topic_id="52439" UNION SELECT * FROM gallery2 WHERE topic_id="366907" UNION SELECT * FROM gallery2 WHERE topic_id="222930" UNION SELECT * FROM gallery2 WHERE topic_id="219077" UNION SELECT * FROM gallery2 WHERE topic_id="1060608" UNION SELECT * FROM gallery2 WHERE topic_id="149970" UNION SELECT * FROM gallery2 WHERE topic_id="935225" UNION SELECT * FROM gallery2 WHERE topic_id="1226416" UNION SELECT * FROM gallery2 WHERE topic_id="941849" UNION SELECT * FROM gallery2 WHERE topic_id="945984"