Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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