Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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