Langer's Sudoku Assistant

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