Left or right

SELECT * FROM gallery2 WHERE topic_id="1291409" UNION SELECT * FROM gallery2 WHERE topic_id="1712275" UNION SELECT * FROM gallery2 WHERE topic_id="1685975" UNION SELECT * FROM gallery2 WHERE topic_id="1114145" UNION SELECT * FROM gallery2 WHERE topic_id="612377" UNION SELECT * FROM gallery2 WHERE topic_id="1510014" UNION SELECT * FROM gallery2 WHERE topic_id="1260324" UNION SELECT * FROM gallery2 WHERE topic_id="1243940" UNION SELECT * FROM gallery2 WHERE topic_id="743191" UNION SELECT * FROM gallery2 WHERE topic_id="1741172" UNION SELECT * FROM gallery2 WHERE topic_id="821077" UNION SELECT * FROM gallery2 WHERE topic_id="1467082" UNION SELECT * FROM gallery2 WHERE topic_id="99041" UNION SELECT * FROM gallery2 WHERE topic_id="894920" UNION SELECT * FROM gallery2 WHERE topic_id="196440" UNION SELECT * FROM gallery2 WHERE topic_id="1826436"