Langer's Sudoku Assistant

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

 

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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