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.

 

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

 

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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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