Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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