0 2
-1 1
-2 1
-2 1
5 0.5
2 1
2 1
0 1
0 2
0 1
-2 1
-2 1
5 0.5
-1 1
-2 1
-2 1
2 2
2 1
-2 1
-2 1
-3 0.5
2 1
1 1
7 1
-3 2
-4 1
2 1
3 1
-1 0.5
-2 1
-2 1
