Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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