Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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