Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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