0.5  5.4
2.0  5.2
2.5  4.5
4.0  5.0
5.0  4.0
5.0  2.0
7.0  0.0
7.5  0.0
7.9  0.5
7.8  2.0
6.5  6.0
5.7  6.0
5.7  5.7
3.0  5.7
3.0  6.0
0.5  6.0