0 1
-2 8
5 2
2 1
2 1
-4 1
5 0.5
-5 1
7 1
2 1
-7 1
-9 0.03125
-7 16
2 1
2 0.0357143
3 28
-1 1
1 0.03125
0 32
-1 1
1 1
