Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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