11 50 4
1 1 1 1 1 2 1 3 3 4 3 3 2 2 4 3 3 3 4 1 1 3 3 3 2 2 3 1 3 3 2 2 2 3 3 1 3 2 2 2 2 2 3 3 1 2 1 1 4 2
0 2 0 1 3 0 0 2 0 2 0
0 0 1 3 0 0 0 0 2 0 0
0 2 0 2 4 0 0 0 0 0 3
0 0 3 0 0 0 3 0 0 1 3
0 2 0 2 0 0 0 0 3 1 0
0 2 0 4 0 1 0 0 0 3 0
0 0 0 0 2 4 3 0 3 0 0
1 2 1 0 0 0 0 3 0 0 0
1 0 3 0 2 3 0 0 0 3 0
0 4 0 3 2 0 0 3 0 0 0
3 0 2 0 0 0 0 2 0 0 3
