15  2 Speed 5  
14  3 Speed 6
11 -1 Speed 5
5   6 Speed 3
4  -1 Speed 5
12  6 Speed 5
15  2 Speed 6
13  3 Speed 5
8   4 Speed 6
0  -1 Speed 5
2   1 Speed 7
7  -1 Speed 6
15  2 Speed 5
13  3 Speed 7
9   4 Speed 6
3  -1 Speed 3
1   0 Speed 4
2   1 Speed 5
7  -1 Speed 6