Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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