Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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