Langer's Sudoku Assistant

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