Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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