Langer's Sudoku Assistant

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

 

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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