N window

N windowN windowN windowN windowN windowN window
N windowN windowN windowN windowN windowN window
N windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN windowN window