Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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