Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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