Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Go back and make a different choice.

 

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