Langer's Sudoku Assistant

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

 

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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