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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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 Posted: Wed May 29, 2013 10:23 pm Post subject: May 30 VH |
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| Code: |
+------------+----------+--------------+
| *28 3 24 | 9 1 6 | *58 7 45 |
| 1 68 5 | 2 4 7 | 689 6-89 3 |
| 9 46 7 | 35 8 35 | 26 126 146 |
+------------+----------+--------------+
| 4 2 8 | 136 7 13 | 69 5 169 |
| 6 5 3 | 14 9 2 | 7 14 8 |
| 7 9 1 | 46 5 8 | 3 46 2 |
+------------+----------+--------------+
| 3 7 69 | 158 2 15 | 4 68-9 #569 |
| 25-8 48 246 | 58 3 9 | 1 268 7 |
| *258 1 29 | 7 6 4 | *2589 3 59 |
+------------+----------+--------------+
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X-Wing on 8 in r19c17; r8c1<>8, r2c7<>8 and
XYZ-Wing 569 with apex in r7c9; r7c8<>9; stte. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Wed May 29, 2013 11:21 pm Post subject: Re: May 30 VH |
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| Clement wrote: | X-Wing on 8 in r19c17; r8c1<>8, r2c7<>8 and
XYZ-Wing 569 with apex in r7c9; r7c8<>9; stte. |
All i needed was the x-wing for lclste. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu May 30, 2013 1:26 am Post subject: Re: May 30 VH |
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| arkietech wrote: | | Clement wrote: | X-Wing on 8 in r19c17; r8c1<>8, r2c7<>8 and
XYZ-Wing 569 with apex in r7c9; r7c8<>9; stte. |
All i needed was the x-wing for lclste. |
The X-Wing did it for me as well. |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Thu May 30, 2013 10:14 am Post subject: Re: May 30 VH |
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Looks to me as though the X wing on 8 and the XYZ on 569 are both
single shots..... |
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TerenceF
Joined: 21 Dec 2007
Posts: 26
Location: Takapuna, NZ
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| Posted: Mon Jun 03, 2013 4:59 am Post subject: |
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As an alternative, from the same starting point, there is an XY chain starting at r1c9 which eliminates the 5 from r7c9 thus:
If r1c9 = 5 then r7c9<>5 AND
If r1c9 = 4 then r1c3=2 so r9c3=9 so r9c9=5 so r7c9<>5
THis forces r7c8 = 8 which solves the puzzle. |
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