Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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