1O → 2W → 15 |
2ONO → 3W → 1 |
3ONO → 4WZW → 2 |
4O → 5WZW → 3 |
5O → 6W → 4 |
6NNO → 7W → 5 |
7W → 8ZZW → 6 |
8WNW → 9O → 7 |
9ZW → 10OZO → 8 |
10W → 11NO → 9 |
11W → 12O → 10 |
12Z → 13O → 11 |
13Z → 14N → 12 |
14ZZW → 15N → 13 |
15O → 1NNO → 14 |