Reverse chikan

SELECT * FROM gallery2 WHERE topic_id="1619556" UNION SELECT * FROM gallery2 WHERE topic_id="816213" UNION SELECT * FROM gallery2 WHERE topic_id="969485" UNION SELECT * FROM gallery2 WHERE topic_id="1519836" UNION SELECT * FROM gallery2 WHERE topic_id="1735832" UNION SELECT * FROM gallery2 WHERE topic_id="909871" UNION SELECT * FROM gallery2 WHERE topic_id="566180" UNION SELECT * FROM gallery2 WHERE topic_id="849472" UNION SELECT * FROM gallery2 WHERE topic_id="1529011" UNION SELECT * FROM gallery2 WHERE topic_id="1671018" UNION SELECT * FROM gallery2 WHERE topic_id="573332" UNION SELECT * FROM gallery2 WHERE topic_id="1154396" UNION SELECT * FROM gallery2 WHERE topic_id="1665545" UNION SELECT * FROM gallery2 WHERE topic_id="1518816" UNION SELECT * FROM gallery2 WHERE topic_id="890494" UNION SELECT * FROM gallery2 WHERE topic_id="990069"