Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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