Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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