[2] left or right

SELECT * FROM gallery2 WHERE topic_id="1037367" UNION SELECT * FROM gallery2 WHERE topic_id="1100170" UNION SELECT * FROM gallery2 WHERE topic_id="1032842" UNION SELECT * FROM gallery2 WHERE topic_id="730406" UNION SELECT * FROM gallery2 WHERE topic_id="1356533" UNION SELECT * FROM gallery2 WHERE topic_id="1342892" UNION SELECT * FROM gallery2 WHERE topic_id="1490127" UNION SELECT * FROM gallery2 WHERE topic_id="1431725" UNION SELECT * FROM gallery2 WHERE topic_id="987835" UNION SELECT * FROM gallery2 WHERE topic_id="1709208" UNION SELECT * FROM gallery2 WHERE topic_id="251831" UNION SELECT * FROM gallery2 WHERE topic_id="190126" UNION SELECT * FROM gallery2 WHERE topic_id="631032" UNION SELECT * FROM gallery2 WHERE topic_id="1131753" UNION SELECT * FROM gallery2 WHERE topic_id="1573157" UNION SELECT * FROM gallery2 WHERE topic_id="816535"