Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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