Langer's Sudoku Assistant

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