Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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