Langer's Sudoku Assistant

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

 

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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