Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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