Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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