Langer's Sudoku Assistant

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

 

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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