次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 |
| 6.75 | 6.25 | 5.75 | 5.25 | 4.75 | 4.5 | 4.5 | 4.5 |