Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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