Left or Right

SELECT * FROM gallery2 WHERE topic_id="1496572" UNION SELECT * FROM gallery2 WHERE topic_id="162968" UNION SELECT * FROM gallery2 WHERE topic_id="1340646" UNION SELECT * FROM gallery2 WHERE topic_id="1694003" UNION SELECT * FROM gallery2 WHERE topic_id="429771" UNION SELECT * FROM gallery2 WHERE topic_id="1144779" UNION SELECT * FROM gallery2 WHERE topic_id="1014462" UNION SELECT * FROM gallery2 WHERE topic_id="1753258" UNION SELECT * FROM gallery2 WHERE topic_id="800041" UNION SELECT * FROM gallery2 WHERE topic_id="1120259" UNION SELECT * FROM gallery2 WHERE topic_id="503450" UNION SELECT * FROM gallery2 WHERE topic_id="463479" UNION SELECT * FROM gallery2 WHERE topic_id="1118518" UNION SELECT * FROM gallery2 WHERE topic_id="642024" UNION SELECT * FROM gallery2 WHERE topic_id="916763" UNION SELECT * FROM gallery2 WHERE topic_id="1414507"