Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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