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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Tue Jun 09, 2009 2:04 am Post subject: June 9 VH |
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The old reliable does it again; or a very apparent uniqueness test.
Solutions: xy wing (678); or UR (18)
Early Earl
Last edited by Earl on Tue Jun 09, 2009 2:14 pm; edited 1 time in total |
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sdq_pete
Joined: 30 Apr 2007
Posts: 119
Location: Rotterdam, NL
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| Posted: Tue Jun 09, 2009 10:07 am Post subject: |
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The UR arose about half-way through filling in the basics, so something of a non-issue.
Peter |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Tue Jun 09, 2009 12:17 pm Post subject: |
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Here is my grid after basics:
I saw the UR which solved it. I did not see the xy wing - 678 - reported by Earl.
But Voila! It is indeed there! 67 is the tether, and the other two are the wings.
| Code: |
+---------------+--------+--------------+
| 37 2 36 | 8 5 9 | 67 1 4 |
| 1 8 4 | 7 6 2 | 9 5 3 |
| 5 67 9 | 4 3 1 | 2678 268 78 |
+---------------+--------+--------------+
| 38 13 138 | 9 4 6 | 5 7 2 |
| 29 69 26 | 5 18 7 | 4 3 18 |
| 4 5 7 | 2 18 3 | 68 689 189 |
+---------------+--------+--------------+
| 2378 37 2358 | 6 9 4 | 1 28 578 |
| 2789 4 28 | 1 27 5 | 3 289 6 |
| 6 179 125 | 3 27 8 | 27 4 579 |
+---------------+--------+--------------+
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Play this puzzle online at the Daily Sudoku site |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Tue Jun 09, 2009 2:32 pm Post subject: |
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| sdq_pete wrote: | The UR arose about half-way through filling in the basics, so something of a non-issue.
Peter |
I don't agree, perhaps.
I spot some URs and some x-wings as I am still filling in candidates.
This frequently lets me reduce candidate possibles in cells I have not yet filled in, and that helps expose xy-wings and such. |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Tue Jun 09, 2009 4:52 pm Post subject: |
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| Painfully easy! |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Wed Jun 10, 2009 12:08 am Post subject: |
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| Yeah, way too easy. Stuck out like a sore thumb. |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Wed Jun 10, 2009 2:58 pm Post subject: |
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| For a Goldilocks Puzzle I would recommend “Todays BB” posted by Keith on June 9 in Other Puzzles. Not too soft like this VH – and not too hard like some of those puzzles that require a Kraken advanced fish solution with Sashmi transports. Just lots of wings, URs, ERs and colouring. Just right. |
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swando
Joined: 09 Mar 2009
Posts: 22
Location: Surrey, BC. Canada
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| Posted: Sat Jun 20, 2009 6:56 am Post subject: |
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| I never swayed from the basics and this one fell apart..as i had not done this one I used the auto sweep and it was like an easy rated one imo |
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