Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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