Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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