Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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