fully natural(f)

SELECT * FROM gallery2 WHERE topic_id="309950" UNION SELECT * FROM gallery2 WHERE topic_id="1555587" UNION SELECT * FROM gallery2 WHERE topic_id="816865" UNION SELECT * FROM gallery2 WHERE topic_id="672850" UNION SELECT * FROM gallery2 WHERE topic_id="1329723" UNION SELECT * FROM gallery2 WHERE topic_id="1328065" UNION SELECT * FROM gallery2 WHERE topic_id="817864" UNION SELECT * FROM gallery2 WHERE topic_id="854632" UNION SELECT * FROM gallery2 WHERE topic_id="397799" UNION SELECT * FROM gallery2 WHERE topic_id="479539" UNION SELECT * FROM gallery2 WHERE topic_id="385658" UNION SELECT * FROM gallery2 WHERE topic_id="768206" UNION SELECT * FROM gallery2 WHERE topic_id="1528859" UNION SELECT * FROM gallery2 WHERE topic_id="701644" UNION SELECT * FROM gallery2 WHERE topic_id="73589" UNION SELECT * FROM gallery2 WHERE topic_id="523185"