Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 3 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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