Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Go back and make a different choice.

 

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