Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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