Langer's Sudoku Assistant

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