Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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