It seems we will never know

SELECT * FROM gallery2 WHERE topic_id="1389927" UNION SELECT * FROM gallery2 WHERE topic_id="1586575" UNION SELECT * FROM gallery2 WHERE topic_id="1444602" UNION SELECT * FROM gallery2 WHERE topic_id="310661" UNION SELECT * FROM gallery2 WHERE topic_id="1803152" UNION SELECT * FROM gallery2 WHERE topic_id="1088593" UNION SELECT * FROM gallery2 WHERE topic_id="752512" UNION SELECT * FROM gallery2 WHERE topic_id="1522854" UNION SELECT * FROM gallery2 WHERE topic_id="1359587" UNION SELECT * FROM gallery2 WHERE topic_id="346459" UNION SELECT * FROM gallery2 WHERE topic_id="817995" UNION SELECT * FROM gallery2 WHERE topic_id="1760410" UNION SELECT * FROM gallery2 WHERE topic_id="576827" UNION SELECT * FROM gallery2 WHERE topic_id="1472082" UNION SELECT * FROM gallery2 WHERE topic_id="828161" UNION SELECT * FROM gallery2 WHERE topic_id="1074753"