Langer's Sudoku Assistant

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