Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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