Langer's Sudoku Assistant

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

 

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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