Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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