Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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