Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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