Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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