Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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