Langer's Sudoku Assistant

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