50
0
0
2100
10
2500
0
0
2
12
0 0 0 0 1 1 0 0 0 0
 2 3 2 2 3 2 2 3 2 0
2 2 3 2 3 3 2 3 3 2
 8 4 4 5 5 5 4 4 8 0
0 5 5 4 4 4 4 5 5 0
 2 2 5 2 3 2 5 2 2 0
2 5 5 4 3 3 4 5 5 2
 1 1 4 1 1 1 4 1 1 0
1 7 2 2 2 2 2 2 7 1
 0 0 0 2 0 2 0 0 0 0