0 1
0 0.5
0 2
0 1
2 1
2 1
0 1
0 1
0 1
0 1
0 0.5
0 2
0 1
3 1
0 1
0 1
0 1
-5 1
0 1
0 1
0 1
7 1
0 1
0 1
0 1
-4 1
