-2 6
0 0.111111
2 2.25
0 2
-1 2
1 0.00110254
7 151.167
-2 6
0 0.142857
-9 1.75
0 2
-1 1
1 1
0 1
0 1
0 1
-3 1
0 1
0 1
1 1
2 1
-7 1
0 1
