15
6 4 4.3
10 8 5.6
7 9 2.8
6 7 7.6
4 6 4.5
5 5 3.8
8 3 9.0
5 8 8.2
4 6 6.5
5 5 6.5
10 6 7.1
5 10 2.5
8 8 9.0
7 4 4.6
6 9 7.4