Langer's Sudoku Assistant

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

 

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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