Langer's Sudoku Assistant

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

 

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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