1 1
1 2
-2 1
-2 4
-1 1
1 0.333333
-1 3
1 1
1 1
1 0.00462963
0 27
1 1
1 2
-2 1
-2 4
-1 1
1 0.333333
-1 3
1 1
1 1
1 0.00357143
5 1
