2 1
0 1
1
0
4 4
0

1
1
0
2

1
3
2 3
0 1 2
0
4 4
0
0 3
1
1
0
2

1
3
2 3
0 1 2
0
4 4
0
1
1 2 3
1

0
2

0
3

0
6 3
0

1
1
2
2
2
3
0 1
9 9
0

1
1

2
2

3 8
3

4 7
4

5 6
5

6
6

2
7


8


9 5
0

1
1 5
7 8
2
2 6
5 7
0 1 3
3 7
4 6
0 1 4
4 8
5 6
1
0 0