-5 5
5 1
2 1
2 0.5
-4 1
0 0.222222
-5 9
5 1
2 1
2 1
-2 1
-2 1
2 1
-2 0.205479
-3 4.5625
5 1.06667
2 1.07143
1 0.933333
-1 1.03448
-2 1.45
5 1.81818
1 0.785714
1 0.823529
-2 0.548387
2 1.14815
-2 1.08
1 5
3 0.151515
3 1.03125
-3 1.06667
-4 0.967742
-2 1.06897
-1 1
