Perfect

SELECT * FROM gallery2 WHERE topic_id="379050" UNION SELECT * FROM gallery2 WHERE topic_id="1173434" UNION SELECT * FROM gallery2 WHERE topic_id="1500826" UNION SELECT * FROM gallery2 WHERE topic_id="455647" UNION SELECT * FROM gallery2 WHERE topic_id="846156" UNION SELECT * FROM gallery2 WHERE topic_id="23392" UNION SELECT * FROM gallery2 WHERE topic_id="1095707" UNION SELECT * FROM gallery2 WHERE topic_id="326642" UNION SELECT * FROM gallery2 WHERE topic_id="775662" UNION SELECT * FROM gallery2 WHERE topic_id="1549434" UNION SELECT * FROM gallery2 WHERE topic_id="590537" UNION SELECT * FROM gallery2 WHERE topic_id="505323" UNION SELECT * FROM gallery2 WHERE topic_id="1491231" UNION SELECT * FROM gallery2 WHERE topic_id="670834" UNION SELECT * FROM gallery2 WHERE topic_id="835104" UNION SELECT * FROM gallery2 WHERE topic_id="992259"