Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 1 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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