0 2
0 1
0 1
-2 1
0 0.5
3 1
0 2
-1 1
0 1
-2 1
0 0.5
2 1
0 2
0 1
0 1
-2 1
0 0.5
3 1
0 2
-1 1
0 1
-2 1
0 0.5
2 1
0 2
0 1
0 1
-2 1
0 0.5
3 1
0 2
-1 1
0 1
-2 1
0 1
