Roles reversed

SELECT * FROM gallery2 WHERE topic_id="37808" UNION SELECT * FROM gallery2 WHERE topic_id="1101471" UNION SELECT * FROM gallery2 WHERE topic_id="1783537" UNION SELECT * FROM gallery2 WHERE topic_id="331428" UNION SELECT * FROM gallery2 WHERE topic_id="737285" UNION SELECT * FROM gallery2 WHERE topic_id="1096793" UNION SELECT * FROM gallery2 WHERE topic_id="1699309" UNION SELECT * FROM gallery2 WHERE topic_id="789252" UNION SELECT * FROM gallery2 WHERE topic_id="1823144" UNION SELECT * FROM gallery2 WHERE topic_id="456475" UNION SELECT * FROM gallery2 WHERE topic_id="1542438" UNION SELECT * FROM gallery2 WHERE topic_id="515539" UNION SELECT * FROM gallery2 WHERE topic_id="1586477" UNION SELECT * FROM gallery2 WHERE topic_id="1570847" UNION SELECT * FROM gallery2 WHERE topic_id="13382" UNION SELECT * FROM gallery2 WHERE topic_id="937003"