0 1 0 0 0
6 10
60 60
2.0
160 60
5.0
60 120
4.0
160 120
1.0
200 100
3.0
200 140
6.0
0 1
0 2
0 3
0 4
1 3
1 2
2 3
3 4
3 5
4 5
