Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Go back and make a different choice.

 

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

 

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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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