Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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