Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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