Langer's Sudoku Assistant

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

 

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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