sauce?

SELECT * FROM gallery2 WHERE topic_id="1786804" UNION SELECT * FROM gallery2 WHERE topic_id="1658575" UNION SELECT * FROM gallery2 WHERE topic_id="769316" UNION SELECT * FROM gallery2 WHERE topic_id="499465" UNION SELECT * FROM gallery2 WHERE topic_id="1811183" UNION SELECT * FROM gallery2 WHERE topic_id="712044" UNION SELECT * FROM gallery2 WHERE topic_id="1707792" UNION SELECT * FROM gallery2 WHERE topic_id="505815" UNION SELECT * FROM gallery2 WHERE topic_id="66330" UNION SELECT * FROM gallery2 WHERE topic_id="745344" UNION SELECT * FROM gallery2 WHERE topic_id="1592822" UNION SELECT * FROM gallery2 WHERE topic_id="1107261" UNION SELECT * FROM gallery2 WHERE topic_id="1220959" UNION SELECT * FROM gallery2 WHERE topic_id="1000257" UNION SELECT * FROM gallery2 WHERE topic_id="1267178" UNION SELECT * FROM gallery2 WHERE topic_id="552076"