Langer's Sudoku Assistant

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