Langer's Sudoku Assistant

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

 

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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