Left or right

SELECT * FROM gallery2 WHERE topic_id="37177" UNION SELECT * FROM gallery2 WHERE topic_id="675378" UNION SELECT * FROM gallery2 WHERE topic_id="1402707" UNION SELECT * FROM gallery2 WHERE topic_id="1555262" UNION SELECT * FROM gallery2 WHERE topic_id="129578" UNION SELECT * FROM gallery2 WHERE topic_id="1504536" UNION SELECT * FROM gallery2 WHERE topic_id="312571" UNION SELECT * FROM gallery2 WHERE topic_id="1122995" UNION SELECT * FROM gallery2 WHERE topic_id="1279713" UNION SELECT * FROM gallery2 WHERE topic_id="1241830" UNION SELECT * FROM gallery2 WHERE topic_id="1347849" UNION SELECT * FROM gallery2 WHERE topic_id="1521778" UNION SELECT * FROM gallery2 WHERE topic_id="807541" UNION SELECT * FROM gallery2 WHERE topic_id="863381" UNION SELECT * FROM gallery2 WHERE topic_id="647141" UNION SELECT * FROM gallery2 WHERE topic_id="392496"