Langer's Sudoku Assistant

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