Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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