Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 7 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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