Langer's Sudoku Assistant

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