Perfect

SELECT * FROM gallery2 WHERE topic_id="1356919" UNION SELECT * FROM gallery2 WHERE topic_id="1392251" UNION SELECT * FROM gallery2 WHERE topic_id="551502" UNION SELECT * FROM gallery2 WHERE topic_id="1415282" UNION SELECT * FROM gallery2 WHERE topic_id="1062039" UNION SELECT * FROM gallery2 WHERE topic_id="958922" UNION SELECT * FROM gallery2 WHERE topic_id="287377" UNION SELECT * FROM gallery2 WHERE topic_id="374144" UNION SELECT * FROM gallery2 WHERE topic_id="335562" UNION SELECT * FROM gallery2 WHERE topic_id="92443" UNION SELECT * FROM gallery2 WHERE topic_id="1522061" UNION SELECT * FROM gallery2 WHERE topic_id="985751" UNION SELECT * FROM gallery2 WHERE topic_id="1723272" UNION SELECT * FROM gallery2 WHERE topic_id="763770" UNION SELECT * FROM gallery2 WHERE topic_id="534445" UNION SELECT * FROM gallery2 WHERE topic_id="774006"