Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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