Langer's Sudoku Assistant

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