| Item No. | X (m) | Y (m) |
| 1 | 0 | 0 |
| 2 | 0 | 9.5 |
| 3 | 5.5 | 9.5 |
| 4 | 6.5 | 9 |
| 5 | 9.5 | 9 |
| 6 | 15.5 | 3 |
| 7 | 18 | 3 |
| 8 | 18 | 0 |