Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 3 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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