Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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