0 2
2 1
3 1
-5 1
0 1
5 1
-3 1
0 2
3 1
-1 0.5
1 1
-1 1
0 1
1 1
-5 1
2 1
-2 2
0 1
5 0.5
-5 1
2 1
-2 1
