Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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