4 1
1 1
0 2
-1 1
1 0.5
0 1
-3 1
-3 1
1 1
0 1
0 1
0 1
0 0.5
-1 1
1 2
0 1
0 1
4 2
-9 1
7 0.5
4 1
1 1
-5 1
2 1
0 2
-17 1
17 0.5
-2 1
0 1
-3 2
-2 1
2 0.25
8 2
-1 1
-2 1
0 1
1 1
-1 1
-2 1
0 1
2 1
-4 1
5 1
-1 1
3 0.5
-8 2
6 1
-1 1
