Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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