Getting hard

SELECT * FROM gallery2 WHERE topic_id="697842" UNION SELECT * FROM gallery2 WHERE topic_id="1780940" UNION SELECT * FROM gallery2 WHERE topic_id="546840" UNION SELECT * FROM gallery2 WHERE topic_id="1537925" UNION SELECT * FROM gallery2 WHERE topic_id="898072" UNION SELECT * FROM gallery2 WHERE topic_id="1641465" UNION SELECT * FROM gallery2 WHERE topic_id="701191" UNION SELECT * FROM gallery2 WHERE topic_id="562571" UNION SELECT * FROM gallery2 WHERE topic_id="1664463" UNION SELECT * FROM gallery2 WHERE topic_id="665950" UNION SELECT * FROM gallery2 WHERE topic_id="508947" UNION SELECT * FROM gallery2 WHERE topic_id="818244" UNION SELECT * FROM gallery2 WHERE topic_id="433700" UNION SELECT * FROM gallery2 WHERE topic_id="1417287" UNION SELECT * FROM gallery2 WHERE topic_id="815963" UNION SELECT * FROM gallery2 WHERE topic_id="999738"