Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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