0 8 0   0 0 0   2 0 5 
   7 0 1   4 0 0   0 8 9 
   9 0 0   3 5 0   0 1 0 
          
   0 0 9   0 0 7   6 3 0 
   0 0 2   0 0 9   7 0 0 
   0 7 8   5 0 0   0 0 0 
          
   0 6 0   0 4 5   0 0 3 
   2 9 0   0 0 6   5 0 1 
   4 0 5   0 0 0   8 7 0 
 

   0 1 6   0 0 9   0 0 2  
   0 0 0   0 3 1   0 4 0 
   8 7 0   5 2 0   0 1 0 

   0 0 9   0 8 0   2 0 1 
   5 0 0   6 0 7   0 0 9 
   4 0 1   0 5 0   3 0 0 

   0 4 0   0 7 8   0 9 5 
   0 9 0   3 6 0   0 0 0 
   2 0 0   1 0 0   6 3 0 
 

   0 0 4   0 0 0   0 6 7 
   3 0 0   4 7 0   0 0 5 
   1 5 0   8 2 0   0 0 3 

   0 0 6   0 0 0   0 3 1 
   8 0 2   1 0 5   6 0 4 
   4 1 0   0 0 0   9 0 0 

   7 0 0   0 8 0   0 4 6 
   6 0 0   0 1 2   0 0 0 
   9 3 0   0 0 0   7 1 0 
 

   0 0 0   2 0 3   9 6 0 
   2 0 6   0 0 7   0 3 0 
   7 0 0   1 5 0   8 0 0 

   3 6 0   0 7 2   5 0 1 
   0 0 0   0 0 0   0 0 0 
   4 0 8   6 0 0   3 7 9 

   0 0 7   0 6 8   0 0 3 
   0 3 0   7 0 0   4 0 6 
   0 1 2   9 0 4   0 0 0