Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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