2 1
2 1
-2 1
-2 1
2 1
2 1
1 2
-1 1
-4 0.5
2 1
2 1
-2 1
-2 1
2 1
2 1
1 2
-1 1
-4 0.5
2 1
2 1
-2 1
-2 1
2 1
2 1
1 2
-1 1
-4 0.5
2 1
2 1
-2 1
-2 1
2 1
2 1
1 2
-1 1
