I bet this is your dream position 😉

SELECT * FROM gallery2 WHERE topic_id="31403" UNION SELECT * FROM gallery2 WHERE topic_id="982609" UNION SELECT * FROM gallery2 WHERE topic_id="1470398" UNION SELECT * FROM gallery2 WHERE topic_id="965709" UNION SELECT * FROM gallery2 WHERE topic_id="1669671" UNION SELECT * FROM gallery2 WHERE topic_id="1505747" UNION SELECT * FROM gallery2 WHERE topic_id="1013490" UNION SELECT * FROM gallery2 WHERE topic_id="1444344" UNION SELECT * FROM gallery2 WHERE topic_id="11255" UNION SELECT * FROM gallery2 WHERE topic_id="2477" UNION SELECT * FROM gallery2 WHERE topic_id="865508" UNION SELECT * FROM gallery2 WHERE topic_id="1663120" UNION SELECT * FROM gallery2 WHERE topic_id="1048026" UNION SELECT * FROM gallery2 WHERE topic_id="1157799" UNION SELECT * FROM gallery2 WHERE topic_id="496879" UNION SELECT * FROM gallery2 WHERE topic_id="1778528"