Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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