11
0 4 3 3 1 4 3 2 3 2 2 
4 0 3 3 3 4 3 2 3 2 2 
3 3 0 2 2 3 2 1 2 1 1 
3 3 2 0 2 3 2 1 2 1 1 
1 3 2 2 0 3 2 1 2 1 1 
4 4 3 3 3 0 3 2 3 2 2 
3 3 2 2 2 3 0 1 2 1 1 
2 2 1 1 1 2 1 0 1 41 41 
3 3 2 2 2 3 2 1 0 1 1 
2 2 1 1 1 2 1 41 1 0 41 
2 2 1 1 1 2 1 41 1 41 0