9
0.0 5.5 0.0
2.3 1.0 -2.0
8.1 4.0 2.4
4.3 5.0 2.2
2.5 1.0 2.3
7.1 1.0 2.4
1.0 1.5 0.3
3.3 0.5 0.3
6.0 1.4 0.2