Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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