Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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