http://www.cian.ru/cat.php?region=1&flats=yes&deal_type=2&currency=2&maxprice=4000000&room1=1&object_type[0]=1&engine_version=2&utm_expid=57940811-30.ccWrSuWqS0uB6Znu69mBbg.0&utm_referrer=http%3A%2F%2Fwww.cian.ru%2Fnd%2Fsearch%2F%3Fregion%3D1%26flats%3Dyes%26deal_type%3D2%26currency%3D2%26maxprice%3D4000000%26room1%3D1%26engine_version%3D2