Langer's Sudoku Assistant

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

 

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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