Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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