Last one (36)

SELECT * FROM gallery2 WHERE topic_id="6890" UNION SELECT * FROM gallery2 WHERE topic_id="1435675" UNION SELECT * FROM gallery2 WHERE topic_id="1724109" UNION SELECT * FROM gallery2 WHERE topic_id="1654731" UNION SELECT * FROM gallery2 WHERE topic_id="1346817" UNION SELECT * FROM gallery2 WHERE topic_id="1419701" UNION SELECT * FROM gallery2 WHERE topic_id="965069" UNION SELECT * FROM gallery2 WHERE topic_id="1430338" UNION SELECT * FROM gallery2 WHERE topic_id="1543399" UNION SELECT * FROM gallery2 WHERE topic_id="853207" UNION SELECT * FROM gallery2 WHERE topic_id="306331" UNION SELECT * FROM gallery2 WHERE topic_id="1557099" UNION SELECT * FROM gallery2 WHERE topic_id="1097769" UNION SELECT * FROM gallery2 WHERE topic_id="780426" UNION SELECT * FROM gallery2 WHERE topic_id="1302802" UNION SELECT * FROM gallery2 WHERE topic_id="1600847"