Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. Go back and make a different choice.

 

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

 

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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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