Langer's Sudoku Assistant

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