0 1
0 1
0 1
0 1
0 0.5
0 0.666667
-2 0.5
0 6
0 1
0 1
0 1
0 1
0 0.5
3 1
-1 2
-4 0.5
0 0.0240964
7 16.6
0 5
0 1
0 1
