Langer's Sudoku Assistant

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

 

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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