Langer's Sudoku Assistant

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

 

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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