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Submitted by: uno hu

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Hi Everyone,

Come along to the Melbourne Sudoku Christmas party!

More details over here

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Nice picture.
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time to travel
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5:57 MAEN Hey, like, heavy man! A flashback! That was NOT a tough...
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7:19 Maen
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That's baby Emily and her daddy! Got an e-mail from a friend about the picture of her from the other day mentioning she had forgotten Emily's 'rock-n-roll hair' and now here she is, ready to rock-n-roll!
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This was definitely not tough today.
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Maen. The glasses, forehead and hair look like mine. :-)
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Love the headband--Emily wears it well.
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Emily is soooo cute. Love the 'rock-n-roll' hair
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Good afternoon to all!

HalT: ?? Emily isn't wearing glasses!
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Good puzzle.
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how many haircuts has Emily so far??
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Possible proof of not too tough sudoku of 11 15 06:
1) Start at 22 filled - the given puzzle. Unique Possibilities to 26 filled. (UP 26).
2a) Hidden pair 45 at hi2 forbids abc2=4, h2=269,i2=26
2b) Locked 6's at g23 forbids g69=6 UP 27
3a) Locked 2's at def3 forbids a3=2
3b) Locked More...
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Thanks I liked that not so tough
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WOW how great to see Emily again

Pushing in on A`ndre for a moment,

TFTD: A baby's smile is not only priceless but is the miracle of purity
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CG, maybe HalT meant her daddy's glasses, forehead and hair!!!! LOL Gorgeous hair on Emily!
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Hippy bub in her grippy sox! Lovely to see Emily again!
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Canuk Greg: Hey, man, you owe me a new keyboard. When I read your comment, I had a mouthful of coffee and, well, you know.
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Easy tough today. Cute baby!
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Peace babe!
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pic is nice
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Hi Steve
Thanks so much for your proofs. I hope you don't mind me asking but I can't work out what step 3c) is. What is 'fc'? And how do you eliminate the 1's in that step? I'm a relative novice and have just figured out the X and Y wings but can't figure that one out (I've also looked at scanraid).

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Hi Kim!
Sorry about the late answer:
fc is short for forbidding chain.
The link proofs - on this page explains them.
In this case, one can also get the same eliminations through 'coloring'.

Here, we have 1's that must exist in column g at g3 or g6.
If at g6 then no 1's at More...
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That's fantastic. I'll do the problem again. It's taking a while for some of the techniques to 'sink in' to my brain but it's great fun.

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iaew mkiy xdyp vpnaqfcm spjgv qxwgpbs zdlasnxr
06/Jun/07 11:53 PM
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dalmo gkrxa hykjtbsgc hwcaogur vmifqjwgl qwlcjmzux vuiwsaqzx http://www.ifndrgu.bvrsizhf.com
06/Jun/07 11:54 PM
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Oct. 28, 2007.
29/Oct/07 2:31 AM
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05/Sep/10 10:55 PM
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