Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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