Langer's Sudoku Assistant

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