Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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