Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Go back and make a different choice.

 

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