d="M 2.5 3.5 L 21.5 3.5 L 2.5 3.5 z M 2.5 6.5 L 21.5 6.5 L 2.5 6.5 z M 2.5 9.5 L 5.5 9.5 L 2.5 9.5 z M 18.5 9.5 L 21.5 9.5 L 18.5 9.5 z M 2.5 12.5 L 5.5 12.5 L 2.5 12.5 z M 18.5 12.5 L 21.5 12.5 L 18.5 12.5 z M 2.5 15.5 L 5.5 15.5 L 2.5 15.5 z M 18.5 15.5 L 21.5 15.5 L 18.5 15.5 z M 2.5 18.5 L 21.5 18.5 L 2.5 18.5 z M 2.5 21.5 L 21.5 21.5 L 2.5 21.5 z "