Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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