Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 2 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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