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Tough Sudoku for 22/June/2008

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

  1 2 3 4 5 6 7 8 9
Check out the latest post in the Sudoku Forum

Sudoku Solving Techniques

Submitted by: sudoku lover

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Just like to thank everyone who made lovely comments about my photo on here yesterday.
22/Jun/08 12:11 AM
Maen all. Had to see patients early so got done with the puzzle early. I'm still amazed at how unlogical my logic can be sometimes. Happy solstice here in utah
22/Jun/08 12:24 AM
Illogical. Better
22/Jun/08 12:25 AM
Ya. beautiful pic. You must be a professional photog.
22/Jun/08 12:26 AM
From sea to desert? Intresting. Have a nice Sunday all of us!!!
22/Jun/08 12:44 AM
1) Start 22, Unique Possibilities to (UP) 22(!).
2) Locked 5s at df4 forbid df5=5.
3) Locked 6s at ef4 forbid ef5=6.
4) Hidden pair 56 at f14 forbids f1=189, f4=17. UP 38.
5) h1=2 == h1=6 -- f1=6 == f4=6 -- e4=6 == e4=2 forbids h4=2. UP 41.
6) Locked 5s at a78 forbid a5=5.
7) More...
22/Jun/08 1:18 AM
Beautiful; stark but beautiful.
22/Jun/08 1:21 AM
I used a pair of "W" wings, which I previously called very common Y wing styles to solve this one. Otherwise, very similar to Clark's:
1) start 22
1a) Locked 5 abc5 => df5<>5
1b) Locked 6 abc5 => ef5<>6
1c) (hp 56)f14=> f14<>1789 => up 38
2) More...
22/Jun/08 1:31 AM
20:27 to you all.
22/Jun/08 2:27 AM
Hi Steve,Welcome back.

Can you please have a look at my solution for
June 20 and give your opinion for step 2.
Thanks
22/Jun/08 2:32 AM
29:59
22/Jun/08 4:28 AM
This looked daunting, but I pared down the possibilities by finding several numbers that only occured within blocks as I scanned up and down or sideways. Got to the point where it was obvious that guessing at one pair would solve the puzzle and it did.
Thank you Clark and Steve. When I'm up More...
22/Jun/08 9:39 AM
14.25 Stark reality
22/Jun/08 12:31 PM
Gday Bexta and Pete, if you pop in today.
22/Jun/08 12:32 PM
28::25 - should have been quicker but I solved the whole thing in my head before doing it on the screen! In a stark way that's a beautiful photo.
22/Jun/08 9:21 PM
30 min
23/Jun/08 2:21 AM
28
23/Jun/08 5:48 AM
Better late than never big day shifting my elderly aunt into a retirement village yesterday
23/Jun/08 7:36 AM

SE=7.1
08/Sep/10 9:46 PM
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