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.

 

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

 

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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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