Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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