Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 2 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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