Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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