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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Fri Dec 05, 2008 3:13 am Post subject: Dec 5 VH |
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XY-wing (356). Coloring will also do it.
Earl |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Dec 05, 2008 2:14 pm Post subject: |
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Before finding the one step xy-wing<356>, I found an (apparently useless) UR and ER.
Ted |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Fri Dec 05, 2008 3:37 pm Post subject: |
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Didn't see any UR. I used an xyz (269) and a couple of ER's on <6>. Then took me forever to spot the single 9 in R2.
Good one. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Dec 05, 2008 4:38 pm Post subject: |
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| I used an XYZ-Wing, Hidden UR, the XY on 356 which perhaps should have finished it off, but it took me a Type 4 UR to complete it. |
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sdq_pete
Joined: 30 Apr 2007
Posts: 119
Location: Rotterdam, NL
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| Posted: Fri Dec 05, 2008 4:55 pm Post subject: |
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Er, I didn't come across any advanced technique whatsoever. I suppose I'll have to do it again...
Peter |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Sat Dec 06, 2008 1:14 am Post subject: |
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| Peter, I'm with you. Nothing fancy needed whatsoever. |
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sdq_pete
Joined: 30 Apr 2007
Posts: 119
Location: Rotterdam, NL
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| Posted: Sat Dec 06, 2008 3:54 pm Post subject: |
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Well, Wendy (et al.), on a second look I passed by this stage
| Code: |
+-----------------+----------------+--------------+
| 2389 2379 23789 | 1345 6 2459 | 129 259 145 |
| 239 4 1 | 35 2359 8 | 269 7 56 |
| 6 29 5 | 14 29 7 | 8 3 14 |
+-----------------+----------------+--------------+
| 7 2359 239 | 36 239 1 | 4 2568 568 |
| 4 8 29 | 7 259 2569 | 26 1 3 |
| 1 235 6 | 8 234 24 | 7 25 9 |
+-----------------+----------------+--------------+
| 58 1 4 | 9 7 56 | 3 68 2 |
| 89 6 789 | 2 1 3 | 5 4 78 |
| 235 237 237 | 456 8 456 | 169 69 167 |
+-----------------+----------------+--------------+
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which was interesting in that the filling in of 4 in C5 moved the puzzle on a long way further to:
| Code: |
+-------------+---------------+-------------+
| 238 279 378 | 1345 6 459 | 129 29 145 |
| 23 4 1 | 35 2359 8 | 269 7 56 |
| 6 29 5 | 14 29 7 | 8 3 14 |
+-------------+---------------+-------------+
| 7 5 29 | 36 39 1 | 4 268 68 |
| 4 8 29 | 7 59 569 | 26 1 3 |
| 1 3 6 | 8 4 2 | 7 5 9 |
+-------------+---------------+-------------+
| 58 1 4 | 9 7 56 | 3 68 2 |
| 9 6 78 | 2 1 3 | 5 4 78 |
| 235 27 37 | 456 8 456 | 169 69 167 |
+-------------+---------------+-------------+
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at which point I don't see a way forward other than by the XY 356 (or possibly XYZ 269)...
Peter |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Sat Dec 06, 2008 4:43 pm Post subject: |
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Peter, I hate it when that happens on the second try (as it does all too often)!
I'll try it again tonight using a different method, and I'll report back. |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Sat Dec 06, 2008 10:04 pm Post subject: |
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| Peter and I must've made the same lucky error on the first go-round. When I tried it again, I too needed the xyz 356 to solve it. |
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