TWICE

SELECT * FROM gallery2 WHERE topic_id="726758" UNION SELECT * FROM gallery2 WHERE topic_id="1234625" UNION SELECT * FROM gallery2 WHERE topic_id="1708794" UNION SELECT * FROM gallery2 WHERE topic_id="929942" UNION SELECT * FROM gallery2 WHERE topic_id="1265711" UNION SELECT * FROM gallery2 WHERE topic_id="809205" UNION SELECT * FROM gallery2 WHERE topic_id="1020359" UNION SELECT * FROM gallery2 WHERE topic_id="1812327" UNION SELECT * FROM gallery2 WHERE topic_id="997357" UNION SELECT * FROM gallery2 WHERE topic_id="546946" UNION SELECT * FROM gallery2 WHERE topic_id="544005" UNION SELECT * FROM gallery2 WHERE topic_id="811129" UNION SELECT * FROM gallery2 WHERE topic_id="1281482" UNION SELECT * FROM gallery2 WHERE topic_id="666653" UNION SELECT * FROM gallery2 WHERE topic_id="1028603" UNION SELECT * FROM gallery2 WHERE topic_id="651230"