break me in half please!!

SELECT * FROM gallery2 WHERE topic_id="1178378" UNION SELECT * FROM gallery2 WHERE topic_id="565899" UNION SELECT * FROM gallery2 WHERE topic_id="1017486" UNION SELECT * FROM gallery2 WHERE topic_id="1292808" UNION SELECT * FROM gallery2 WHERE topic_id="1562103" UNION SELECT * FROM gallery2 WHERE topic_id="497690" UNION SELECT * FROM gallery2 WHERE topic_id="261087" UNION SELECT * FROM gallery2 WHERE topic_id="1226137" UNION SELECT * FROM gallery2 WHERE topic_id="539447" UNION SELECT * FROM gallery2 WHERE topic_id="1524816" UNION SELECT * FROM gallery2 WHERE topic_id="156168" UNION SELECT * FROM gallery2 WHERE topic_id="862301" UNION SELECT * FROM gallery2 WHERE topic_id="1205472" UNION SELECT * FROM gallery2 WHERE topic_id="1165448" UNION SELECT * FROM gallery2 WHERE topic_id="614980" UNION SELECT * FROM gallery2 WHERE topic_id="1396738"