Langer's Sudoku Assistant

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

 

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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