Langer's Sudoku Assistant

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