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.

 

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