Langer's Sudoku Assistant

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