Perfect

SELECT * FROM gallery2 WHERE topic_id="1476180" UNION SELECT * FROM gallery2 WHERE topic_id="1809883" UNION SELECT * FROM gallery2 WHERE topic_id="1530927" UNION SELECT * FROM gallery2 WHERE topic_id="646026" UNION SELECT * FROM gallery2 WHERE topic_id="1609309" UNION SELECT * FROM gallery2 WHERE topic_id="1129368" UNION SELECT * FROM gallery2 WHERE topic_id="1827719" UNION SELECT * FROM gallery2 WHERE topic_id="23916" UNION SELECT * FROM gallery2 WHERE topic_id="152976" UNION SELECT * FROM gallery2 WHERE topic_id="254024" UNION SELECT * FROM gallery2 WHERE topic_id="470507" UNION SELECT * FROM gallery2 WHERE topic_id="1338059" UNION SELECT * FROM gallery2 WHERE topic_id="422991" UNION SELECT * FROM gallery2 WHERE topic_id="965841" UNION SELECT * FROM gallery2 WHERE topic_id="1071117" UNION SELECT * FROM gallery2 WHERE topic_id="36919"