Langer's Sudoku Assistant

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

 

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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