Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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