1 1
0 1
1 1
0 1
4 1
0 2
-7 1
1 0.5
0 1
1 1
0 1
2 1
0 1
3 1
0 1
-6 1
0 1
1 1
0 1
1 1
0 1
4 1
0 2
-7 1
1 0.5
0 1
1 1
0 1
2 1
0 1
3 1
0 1
