Langer's Sudoku Assistant

Invalid Sudoku!

The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

Start Over

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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