Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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