Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 2 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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