0
45
0
3000
1
2
3
4
2
12
0 0 2 2 1 1 2 2 0 0
 3 2 4 4 0 4 4 2 3 0
2 1 1 4 6 6 4 1 1 2
 3 3 3 5 0 5 3 3 3 0
1 1 4 4 2 2 4 4 1 1
 1 0 4 0 2 0 4 0 1 0
3 3 2 2 4 4 2 2 3 3
 3 1 2 1 0 1 2 1 3 0
0 0 1 1 0 0 1 1 0 0
 4 4 2 3 3 3 2 4 4 0