Langer's Sudoku Assistant

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

 

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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