Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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