Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Go back and make a different choice.

 

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

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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