Langer's Sudoku Assistant

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

 

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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