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Tough Sudoku for 20/January/2009


Choose a number, and place it in the grid above.

  1 2 3 4 5 6 7 8 9
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Sudoku Solving Techniques

Submitted by: sudoku lover

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Pretty in Pink!
20/Jan/09 12:11 AM
Reminds me of Spring! Very pretty!
20/Jan/09 12:26 AM
Beautiful Azalea, Kate!
20/Jan/09 12:44 AM
A tuff tough
20/Jan/09 1:28 AM
20/Jan/09 2:17 AM
1. Unique possibilities: c7=2=h1,d2=3,i9=8,i7=5. (UP 28). Note pair 67 at bi1.
2. When a4=9,f1=9,d1=8=e5=c4,g4=3=e6=b5,g5=2=f6=e9,c5=5=e3=b2, and there is no place for 8/9 in bottom left box. Hence b6=9,and the rest is solved (UP 81).
20/Jan/09 2:51 AM
This tough was easier for me than usual.
20/Jan/09 4:37 AM
20/Jan/09 4:59 AM
Have a great day/night, everyone.
20/Jan/09 5:15 AM
~ 1 hour
20/Jan/09 1:12 PM
18:33 to you all from Beijing.
20/Jan/09 8:15 PM
Fairly tough tonight - around 40 mins.
20/Jan/09 9:08 PM

09/Sep/10 9:05 PM
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