Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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