Forward?
6
Yes
6
2
Yes
6
7
Yes
6
5
No
6
9
Yes
2
1
No
2
3
No
7
4
No
7
8
Yes
7
11
No
9
10
Yes
|
|
|
| Forward? |
|
| 6 |
| Yes |
| 6 | 2 |
| Yes |
| 6 | 7 |
| Yes |
| 6 | 5 |
| No |
| 6 | 9 |
| Yes |
| 2 | 1 |
| No |
| 2 | 3 |
| No |
| 7 | 4 |
| No |
| 7 | 8 |
| Yes |
| 7 | 11 |
| No |
| 9 | 10 |
| Yes |