Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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