Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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

 

Start Over

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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