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crunched
Joined: 05 Feb 2008
Posts: 168
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 Posted: Fri Oct 31, 2008 1:02 am Post subject: October 31 VH = TH means Too Hard for me |
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Below is as far as I could get. I am utterly clueless how to get any further.
| Code: |
+----------------+-------------+--------------+
| 6 9 2 | 5 7 4 | 8 3 1 |
| 37 4 8 | 26 1 36 | 257 9 25 |
| 1 5 37 | 89 23 89 | 247 246 246 |
+----------------+-------------+--------------+
| 4589 68 459 | 1 689 2 | 3 4568 7 |
| 789 3 79 | 4 689 5 | 29 1 26 |
| 2 168 1459 | 3 689 7 | 459 4568 456 |
+----------------+-------------+--------------+
| 459 12 13459 | 269 23 169 | 245 7 8 |
| 589 7 159 | 289 4 189 | 6 25 3 |
| 348 28 6 | 7 5 38 | 1 24 9 |
+----------------+-------------+--------------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Oct 31, 2008 3:50 am Post subject: |
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Highlight the quote to see suggestion.
| Quote: | | Try an XY-Wing pivoted in r9c6. |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Fri Oct 31, 2008 1:14 pm Post subject: |
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| A good one - though I tried in vain to do it without an xy-wing. There's a Type 6 UR on <68> and x-wings on <3> but it would appear the <238> wing was all that was needed. |
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Florida Bob
Joined: 25 Jul 2007
Posts: 12
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| Posted: Fri Oct 31, 2008 8:04 pm Post subject: |
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| There is a XY wing with the pivot in box 8 (38). After that I went fast for me. |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Oct 31, 2008 9:47 pm Post subject: |
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| Quote: | | it would appear the <238> wing was all that was needed. |
I agree. I did use an X-wing (<68> pair in C2, <58> pair in C8) to place <8> in R5C5, but the basics would probably have sufficed.
Keith |
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DennyOR
Joined: 12 Sep 2007
Posts: 33
Location: Portland, Oregon
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| Posted: Sat Nov 01, 2008 1:20 am Post subject: |
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| I saw the long path extended xy-chain from the 28 to the 23 before I saw the short wing: <28-83-36-62>-23=23 |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Sat Nov 01, 2008 4:49 am Post subject: |
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| Marty R. wrote: | Highlight the quote to see suggestion.
| Quote: | | Try an XY-Wing pivoted in r9c6. |
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There it was, an XY-Wing. Why I never could find it I don't know. But I looked and looked, looked and looked, looked and looked, looked and looked, and I could not find the key. I guess I was looking horizontal and vertical, and not on a slant? I guess I was looking outside of the box? As the saying goes, you got to look inside the box sometimes.
G R I N. |
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