2 2
2 1
-2 0.5
2 1
-14 0.25
12 0.111111
3 36
-1 1
1 1
-1 1
1 1
-1 1
1 1
2 0.037037
-2 54
0 1
-1 1
0 1
1 1
0 1
-1 1
0 1
1 1
0 1
-1 1
0 1
1 1
0 1
-1 1
0 1
