5
6
-0.5 0.0
0.8 -1.0
2.0 1.0
3.5 0.9
1.5 2.5
0.9 1.0
4
2.3 1.0
1.5 -1.0
-1.4 0.0
1.0 2.0
3
-3.0 2.5
2.0 6.0
1.0 1.0
5
7.0 -4.0
-3.0 -4.0
2.0 1.0
-2.0 6.0
5.5 4.0
8
-5.0 1.0
-5.0 -3.0
-1.5 -3.5
3.0 -4.0
4.0 -2.0
4.0 2.5
1.5 5.0
-2.0 4.0