Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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