Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 1 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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