probably not sudoku.

SELECT * FROM gallery2 WHERE topic_id="803445" UNION SELECT * FROM gallery2 WHERE topic_id="1442542" UNION SELECT * FROM gallery2 WHERE topic_id="1597209" UNION SELECT * FROM gallery2 WHERE topic_id="1447111" UNION SELECT * FROM gallery2 WHERE topic_id="285214" UNION SELECT * FROM gallery2 WHERE topic_id="624427" UNION SELECT * FROM gallery2 WHERE topic_id="1387653" UNION SELECT * FROM gallery2 WHERE topic_id="278351" UNION SELECT * FROM gallery2 WHERE topic_id="607674" UNION SELECT * FROM gallery2 WHERE topic_id="453187" UNION SELECT * FROM gallery2 WHERE topic_id="789643" UNION SELECT * FROM gallery2 WHERE topic_id="1176505" UNION SELECT * FROM gallery2 WHERE topic_id="878984" UNION SELECT * FROM gallery2 WHERE topic_id="959551" UNION SELECT * FROM gallery2 WHERE topic_id="883785" UNION SELECT * FROM gallery2 WHERE topic_id="1743780"