<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M4 13.5H10V10.5H4V13.5ZM12 13.5H15V10.5H12V13.5ZM17 10.5V13.5H20V10.5H17Z" fill="currentColor" /> </svg>