Langer's Sudoku Assistant

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

 

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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