Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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