Hard

SELECT * FROM gallery2 WHERE topic_id="1790523" UNION SELECT * FROM gallery2 WHERE topic_id="584132" UNION SELECT * FROM gallery2 WHERE topic_id="1151007" UNION SELECT * FROM gallery2 WHERE topic_id="817439" UNION SELECT * FROM gallery2 WHERE topic_id="452317" UNION SELECT * FROM gallery2 WHERE topic_id="987140" UNION SELECT * FROM gallery2 WHERE topic_id="1343265" UNION SELECT * FROM gallery2 WHERE topic_id="516995" UNION SELECT * FROM gallery2 WHERE topic_id="136675" UNION SELECT * FROM gallery2 WHERE topic_id="145575" UNION SELECT * FROM gallery2 WHERE topic_id="1307458" UNION SELECT * FROM gallery2 WHERE topic_id="1065046" UNION SELECT * FROM gallery2 WHERE topic_id="1154785" UNION SELECT * FROM gallery2 WHERE topic_id="274862" UNION SELECT * FROM gallery2 WHERE topic_id="1074812" UNION SELECT * FROM gallery2 WHERE topic_id="520952"