Langer's Sudoku Assistant

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

 

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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