Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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