Let’s get stretchy

SELECT * FROM gallery2 WHERE topic_id="1677667" UNION SELECT * FROM gallery2 WHERE topic_id="937950" UNION SELECT * FROM gallery2 WHERE topic_id="786346" UNION SELECT * FROM gallery2 WHERE topic_id="18710" UNION SELECT * FROM gallery2 WHERE topic_id="726601" UNION SELECT * FROM gallery2 WHERE topic_id="1218636" UNION SELECT * FROM gallery2 WHERE topic_id="774880" UNION SELECT * FROM gallery2 WHERE topic_id="590491" UNION SELECT * FROM gallery2 WHERE topic_id="1196727" UNION SELECT * FROM gallery2 WHERE topic_id="501792" UNION SELECT * FROM gallery2 WHERE topic_id="292495" UNION SELECT * FROM gallery2 WHERE topic_id="1304501" UNION SELECT * FROM gallery2 WHERE topic_id="966146" UNION SELECT * FROM gallery2 WHERE topic_id="1406219" UNION SELECT * FROM gallery2 WHERE topic_id="774720" UNION SELECT * FROM gallery2 WHERE topic_id="373232"