Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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