Langer's Sudoku Assistant

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

 

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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