Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 4 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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