50 30
0 10
1 10
1 5
1 8
0 10
1 8
1 8
1 5
2 9
1 3
1 5
2 6
2 8
2 9
1 4
2 3
2 6
2 8
0 9
2 8
1 10
2 1
0 4
0 8
2 6
0 6
1 3
1 3
2 5
2 6
0 7
2 9
0 7
2 9
2 3
0 6
1 4
1 7
0 7
1 3
0 3
2 3
0 2
2 1
0 3
2 4
0 1
2 10
0 6
