Langer's Sudoku Assistant

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

 

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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