Langer's Sudoku Assistant

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

 

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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