Compound exercises

SELECT * FROM gallery2 WHERE topic_id="396687" UNION SELECT * FROM gallery2 WHERE topic_id="1340300" UNION SELECT * FROM gallery2 WHERE topic_id="283663" UNION SELECT * FROM gallery2 WHERE topic_id="435627" UNION SELECT * FROM gallery2 WHERE topic_id="515703" UNION SELECT * FROM gallery2 WHERE topic_id="179719" UNION SELECT * FROM gallery2 WHERE topic_id="1295072" UNION SELECT * FROM gallery2 WHERE topic_id="1760414" UNION SELECT * FROM gallery2 WHERE topic_id="138966" UNION SELECT * FROM gallery2 WHERE topic_id="1091442" UNION SELECT * FROM gallery2 WHERE topic_id="944608" UNION SELECT * FROM gallery2 WHERE topic_id="1774103" UNION SELECT * FROM gallery2 WHERE topic_id="578031" UNION SELECT * FROM gallery2 WHERE topic_id="979253" UNION SELECT * FROM gallery2 WHERE topic_id="445085" UNION SELECT * FROM gallery2 WHERE topic_id="1680281"