Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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