Langer's Sudoku Assistant

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

 

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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