Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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