Langer's Sudoku Assistant

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