Super tight

SELECT * FROM gallery2 WHERE topic_id="486523" UNION SELECT * FROM gallery2 WHERE topic_id="1154898" UNION SELECT * FROM gallery2 WHERE topic_id="1046784" UNION SELECT * FROM gallery2 WHERE topic_id="303958" UNION SELECT * FROM gallery2 WHERE topic_id="1159063" UNION SELECT * FROM gallery2 WHERE topic_id="1367969" UNION SELECT * FROM gallery2 WHERE topic_id="763552" UNION SELECT * FROM gallery2 WHERE topic_id="1104932" UNION SELECT * FROM gallery2 WHERE topic_id="978462" UNION SELECT * FROM gallery2 WHERE topic_id="498910" UNION SELECT * FROM gallery2 WHERE topic_id="1549391" UNION SELECT * FROM gallery2 WHERE topic_id="186239" UNION SELECT * FROM gallery2 WHERE topic_id="1371875" UNION SELECT * FROM gallery2 WHERE topic_id="1607368" UNION SELECT * FROM gallery2 WHERE topic_id="1060337" UNION SELECT * FROM gallery2 WHERE topic_id="387925"