Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 2 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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