Langer's Sudoku Assistant

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

 

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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