0 1
0 1
-2 1
0 1
0 1
0 1
0 1
0 1
-1 1
0 1
0 1
-2 1
-2 1
0 0.25
7 4
0 1
0 1
-2 1
0 1
0 1
0 1
0 1
0 1
-1 1
0 1
0 1
-2 1
-2 1
0 1
