Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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