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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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 Posted: Sat Apr 24, 2010 1:58 am Post subject: April 24 VH |
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| XYZ-Wing 48 489(vertex) 49 eliminates the 4's in r7c78 solves the puzzle. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Apr 24, 2010 3:51 am Post subject: |
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| Another one-stepper is an XY-Wing Chain, 49-48-48-48-89. |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Apr 24, 2010 11:12 am Post subject: |
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| kite (4) row 8, column 5; r3c9<>4 |
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George Woods
Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
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| Posted: Sat Apr 24, 2010 12:17 pm Post subject: small rectangle in box9 |
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| I have forgotten what it is called, but maybe it is the kite referred to above, but the strongly linked 4s in row 3 mean that r7c5 cannot be 4 (if it were then Box 9 has nowhere for a 4) I seem to remember somebody calling this some kind of rectangle??? |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Sat Apr 24, 2010 12:38 pm Post subject: Re: small rectangle in box9 |
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| George Woods wrote: | | I seem to remember somebody calling this some kind of rectangle??? |
Skyscraper
Also a w-wing 48 removing 8's from r3c5 and r7c9 will solve the puzzle |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Sat Apr 24, 2010 12:55 pm Post subject: |
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| The skyscraper on 4 is the simplest solution. |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Sat Apr 24, 2010 5:49 pm Post subject: |
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| Or if you want to hit it with a sledgehammer you can go for a big colour wrap on 4 that eliminates r1c6, r3c9, r7c5 and r8c9! |
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