Have a great day!

SELECT * FROM gallery2 WHERE topic_id="744873" UNION SELECT * FROM gallery2 WHERE topic_id="673649" UNION SELECT * FROM gallery2 WHERE topic_id="877217" UNION SELECT * FROM gallery2 WHERE topic_id="420187" UNION SELECT * FROM gallery2 WHERE topic_id="997958" UNION SELECT * FROM gallery2 WHERE topic_id="898679" UNION SELECT * FROM gallery2 WHERE topic_id="1252586" UNION SELECT * FROM gallery2 WHERE topic_id="743634" UNION SELECT * FROM gallery2 WHERE topic_id="910727" UNION SELECT * FROM gallery2 WHERE topic_id="206464" UNION SELECT * FROM gallery2 WHERE topic_id="161849" UNION SELECT * FROM gallery2 WHERE topic_id="1349092" UNION SELECT * FROM gallery2 WHERE topic_id="1584446" UNION SELECT * FROM gallery2 WHERE topic_id="1658643" UNION SELECT * FROM gallery2 WHERE topic_id="409166" UNION SELECT * FROM gallery2 WHERE topic_id="620340"