Langer's Sudoku Assistant

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

 

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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