Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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