Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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