9 1
0 1
-2 1
0 1
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2 2
2 1
0 1
-2 0.5
0 1
-5 2
3 1
4 0.5
0 2
-2 1
0 1
-2 0.5
2 2
-7 0.333333
9 1.5
-2 2
-2 0.5
-5 2
9 0.5
-2 2
0 1
-2 1
0 1
2 1
2 1
0 1
-2 0.5
0 1
-5 2
0 1
3 1
4 1
0 1
-2 1
0 1
-2 1
2 0.5
-2 0.01
-5 1
