Langer's Sudoku Assistant

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

 

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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