4
0 0 0 2 9 0 0 14 0 0 16 5 0 7 0 12 
0 1 15 5 3 0 6 4 0 0 0 0 11 0 0 0 
16 0 0 0 0 0 0 12 0 0 13 0 0 5 0 1 
14 0 0 13 0 0 0 0 9 10 0 0 0 0 3 0 
15 0 0 4 0 9 0 11 10 0 7 0 0 6 0 0 
0 16 13 9 0 14 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 7 0 0 1 3 0 0 4 2 0 14 0 
1 6 10 0 0 0 0 0 14 0 5 0 3 0 4 0 
0 0 1 0 0 4 2 0 5 0 0 0 0 0 0 0 
0 10 8 0 0 13 15 0 0 0 0 0 9 3 0 0 
0 0 0 0 0 0 7 0 8 1 0 0 13 0 10 5 
2 0 0 0 5 10 0 6 0 0 0 0 0 0 0 0 
0 0 0 11 0 12 0 0 4 0 0 0 0 0 0 0 
0 0 0 15 6 0 0 0 0 0 2 13 0 1 0 0 
8 12 9 0 0 0 11 0 0 0 3 15 10 13 5 0 
0 0 6 0 0 2 0 0 0 0 1 0 0 11 0 16 
