Tight

SELECT * FROM gallery2 WHERE topic_id="1783513" UNION SELECT * FROM gallery2 WHERE topic_id="1626542" UNION SELECT * FROM gallery2 WHERE topic_id="1480063" UNION SELECT * FROM gallery2 WHERE topic_id="484047" UNION SELECT * FROM gallery2 WHERE topic_id="1674059" UNION SELECT * FROM gallery2 WHERE topic_id="1275070" UNION SELECT * FROM gallery2 WHERE topic_id="1448740" UNION SELECT * FROM gallery2 WHERE topic_id="1587138" UNION SELECT * FROM gallery2 WHERE topic_id="491598" UNION SELECT * FROM gallery2 WHERE topic_id="147384" UNION SELECT * FROM gallery2 WHERE topic_id="1366654" UNION SELECT * FROM gallery2 WHERE topic_id="350196" UNION SELECT * FROM gallery2 WHERE topic_id="636764" UNION SELECT * FROM gallery2 WHERE topic_id="955827" UNION SELECT * FROM gallery2 WHERE topic_id="637436" UNION SELECT * FROM gallery2 WHERE topic_id="1285397"