Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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