d="M 20 4 L 19 4.0996094 L 10 5 L 10 6 L 10 15 L 10 16 L 11 15.900391 L 20 15 L 20 14 L 20 5 L 20 4 z M 19 5.0996094 L 19 14.099609 L 11 14.900391 L 11 5.9003906 L 19 5.0996094 z M 4 7 L 4 8 L 4 19 L 4 20 L 13 20 L 14 20 L 14 19 L 14 17 L 13 17 L 13 19 L 5 19 L 5 8 L 9 8 L 9 7 L 4 7 z "