Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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