Langer's Sudoku Assistant

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