Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 4 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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