| 路径编号 | 符号表示 | 经过的路段 |
| 1 |
| 1-3-5-9-13-15 |
| 2 |
| 1-4-6-9-13-15 |
| 3 |
| 1-4-8-10-13-15 |
| 4 |
| 1-4-8-12-14-15 |
| 5 |
| 2-5-9-13-15 |
| 6 |
| 7-9-13-15 |
| 7 |
| 11-13-15 |