<svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"> <path d="M2,2h9.5v9.5H2V2z M12.5,2H22v9.5h-9.5V2z M2,12.5h9.5V22H2V12.5z M12.5,12.5H22V22h-9.5V12.5z" /> </svg>