I've been looking every and I can't find the sauce

SELECT * FROM gallery2 WHERE topic_id="1827780" UNION SELECT * FROM gallery2 WHERE topic_id="29276" UNION SELECT * FROM gallery2 WHERE topic_id="1413063" UNION SELECT * FROM gallery2 WHERE topic_id="678175" UNION SELECT * FROM gallery2 WHERE topic_id="1527296" UNION SELECT * FROM gallery2 WHERE topic_id="868621" UNION SELECT * FROM gallery2 WHERE topic_id="11481" UNION SELECT * FROM gallery2 WHERE topic_id="1544948" UNION SELECT * FROM gallery2 WHERE topic_id="1291574" UNION SELECT * FROM gallery2 WHERE topic_id="773154" UNION SELECT * FROM gallery2 WHERE topic_id="1618095" UNION SELECT * FROM gallery2 WHERE topic_id="547945" UNION SELECT * FROM gallery2 WHERE topic_id="1537854" UNION SELECT * FROM gallery2 WHERE topic_id="506796" UNION SELECT * FROM gallery2 WHERE topic_id="1564833" UNION SELECT * FROM gallery2 WHERE topic_id="1511259"