Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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