Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 7 is invalid. Go back and make a different choice.

 

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

 

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