Let’s do it

SELECT * FROM gallery2 WHERE topic_id="226523" UNION SELECT * FROM gallery2 WHERE topic_id="25938" UNION SELECT * FROM gallery2 WHERE topic_id="1525587" UNION SELECT * FROM gallery2 WHERE topic_id="534428" UNION SELECT * FROM gallery2 WHERE topic_id="400170" UNION SELECT * FROM gallery2 WHERE topic_id="1523862" UNION SELECT * FROM gallery2 WHERE topic_id="1506423" UNION SELECT * FROM gallery2 WHERE topic_id="937198" UNION SELECT * FROM gallery2 WHERE topic_id="872675" UNION SELECT * FROM gallery2 WHERE topic_id="771746" UNION SELECT * FROM gallery2 WHERE topic_id="1205689" UNION SELECT * FROM gallery2 WHERE topic_id="1076650" UNION SELECT * FROM gallery2 WHERE topic_id="1350192" UNION SELECT * FROM gallery2 WHERE topic_id="1811464" UNION SELECT * FROM gallery2 WHERE topic_id="1576454" UNION SELECT * FROM gallery2 WHERE topic_id="200870"