| +--------8.5-------+ \ |
| / \ |
| 8.6 8.6 |
| / \ |
| + / + |
| / \ |
| / \ |
| 8.6 8.6 |
| / \ |
| / \ |
| / \ |
| + + |
| : : |
| : : |
| 8.5 8.5: |
| : : |
| : : |
| : : |
| / + + |
| / 8 B\ / |
| + \ / |
| \ 8.6 8.6 |
| \ \ / |
| \ \ / |
| \ \ / |
| 12.7 + / + |
| \ \ / |
| \ \8.6 /8.6 |
| \ \ A / |
| + \ \ +--------8.5-------+ |
| \ \ |
| \ \ |
| \ 8\ |
| 12.8 \ |
| \ \ |
| +-----------12.5------------+ |