Langer's Sudoku Assistant

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