Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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