Langer's Sudoku Assistant

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

 

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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