Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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