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.

 

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