Langer's Sudoku Assistant

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

 

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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