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.

 

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

 

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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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