Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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