Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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