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.

 

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

 

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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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