Hard

SELECT * FROM gallery2 WHERE topic_id="756109" UNION SELECT * FROM gallery2 WHERE topic_id="941354" UNION SELECT * FROM gallery2 WHERE topic_id="634853" UNION SELECT * FROM gallery2 WHERE topic_id="1745273" UNION SELECT * FROM gallery2 WHERE topic_id="327793" UNION SELECT * FROM gallery2 WHERE topic_id="1723825" UNION SELECT * FROM gallery2 WHERE topic_id="213212" UNION SELECT * FROM gallery2 WHERE topic_id="86863" UNION SELECT * FROM gallery2 WHERE topic_id="1362171" UNION SELECT * FROM gallery2 WHERE topic_id="722894" UNION SELECT * FROM gallery2 WHERE topic_id="890891" UNION SELECT * FROM gallery2 WHERE topic_id="1774765" UNION SELECT * FROM gallery2 WHERE topic_id="441510" UNION SELECT * FROM gallery2 WHERE topic_id="553333" UNION SELECT * FROM gallery2 WHERE topic_id="1414019" UNION SELECT * FROM gallery2 WHERE topic_id="1124105"