Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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