Langer's Sudoku Assistant

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

 

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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