Langer's Sudoku Assistant

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