Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 1 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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