Langer's Sudoku Assistant

Invalid Sudoku!

Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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