5 1
-5 2
-2 1
-1 1
1 0.5
7 0.666667
-7 3
-1 1
3 1
-3 1
0 1
8 1
-8 1
8 1
-8 1
-2 1
2 1
-2 0.5
-7 2
0 1
0 1
0 1
2 1
3 1
-3 1
10 0.5
5 1
-5 2
-2 1
-1 1
1 0.5
7 2
0 1
2 1
2 1
-2 1
-2 1
2 1
0 0.5
-2 2
2 1
3 1
-1 1
-2 1
-2 1
-5 1
2 1
0 1
0 1
0 1
0 1
0 1
-2 1
