1 1
0 1
0 2
-1 1
0 0.5
1 1
0 1
0 2
-1 0.0588235
0 8.5
1 1
0 1
0 2
-1 1
0 0.5
1 1
0 1
0 2
-1 1
0 0.5
1 1
0 1
0 2
-1 1
5 1
