Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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