I need some help w this

SELECT * FROM gallery2 WHERE topic_id="1703069" UNION SELECT * FROM gallery2 WHERE topic_id="523920" UNION SELECT * FROM gallery2 WHERE topic_id="124915" UNION SELECT * FROM gallery2 WHERE topic_id="1691592" UNION SELECT * FROM gallery2 WHERE topic_id="702952" UNION SELECT * FROM gallery2 WHERE topic_id="978031" UNION SELECT * FROM gallery2 WHERE topic_id="337660" UNION SELECT * FROM gallery2 WHERE topic_id="1623476" UNION SELECT * FROM gallery2 WHERE topic_id="1743296" UNION SELECT * FROM gallery2 WHERE topic_id="1060688" UNION SELECT * FROM gallery2 WHERE topic_id="1403953" UNION SELECT * FROM gallery2 WHERE topic_id="415631" UNION SELECT * FROM gallery2 WHERE topic_id="166862" UNION SELECT * FROM gallery2 WHERE topic_id="1742118" UNION SELECT * FROM gallery2 WHERE topic_id="1325603" UNION SELECT * FROM gallery2 WHERE topic_id="173943"