Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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