Langer's Sudoku Assistant

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

 

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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