Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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