Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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