Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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