1 50
10
10 5
5 20
4 5
0 0
30
25 10
8 5
5 5
0 0
110
20 10
0 0
-1
2 50
10
10 5
5 20
4 5
0 0
30
25 10
8 5
5 5
0 0
110
20 10
0 0
-1
0 0
