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Børge
Master
Joined: 11 Aug 2007
Posts: 157
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 Posted: Tue Mar 18, 2008 9:29 pm Post subject: My first Clueless Special |
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Rated Hard, i.e. requiring Locked Candidates, Naked+Hidden Subsets and X-Wings.
You are of course allowed to used more advanced techniques. 
000100000300070026100080300040000000093000050005000010064000008008047002000009070
240000000000040135100609000000000000002000016006000070000012008090000003027800400
450120000000040006020000305002000000000000003004000010000010078090004000013006004
040001000000000000030800256001000070000000800020000600064003007000020010002900500
000000080600000004120094350006000010008000002001000000090001005002000008003007040
050000000300000025000009300040000000003000007007000010060001090081000072000090560
000005000500000004000080206020000000004000078001000600000010007073000820010090063
000000000570000004000709350003000000001000070050000008000020000084003902010000040
306014000089000005000000340005000002010000000004000830040020050071080090000006010
Last edited by Børge on Fri May 16, 2008 2:00 pm; edited 6 times in total |
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Jean-Christophe
Addict
Joined: 23 Apr 2007
Posts: 92
Location: Belgium
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| Posted: Tue Mar 18, 2008 10:04 pm Post subject: Re: My first Clueless Special |
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| Or use easier techniques: X-Wing is not required |
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Pete
Gold Member
Joined: 13 May 2006
Posts: 113
Location: Cincinnati Ohio, USA
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| Posted: Thu Mar 20, 2008 5:47 pm Post subject: |
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I found an xwing i think thats easier than the locked sets...
this is harder than Ruud's very hards
_________________
"It gets dark at night" - Olbers |
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nj3h
Gold Member
Joined: 10 Jul 2006
Posts: 111
Location: Virginia / USA
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| Posted: Thu Mar 20, 2008 9:59 pm Post subject: |
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Just curious, how does one get this puzzle into Ruud's Clueless Helper?
Thanks,
George |
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Børge
Master
Joined: 11 Aug 2007
Posts: 157
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Børge
Master
Joined: 11 Aug 2007
Posts: 157
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| Posted: Thu Mar 20, 2008 11:18 pm Post subject: |
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| Pete wrote: | I found an xwing i think thats easier than the locked sets...
this is harder than Ruud's very hards |
I did not need any locked sets to solve this one, only locked candidates: http://www.sudocue.net/guide.php#LockedCandidates
Also known as Block/Block interaction (one of the most basic solving techniques). Finding one X-Wing was the most advanced technique I used.
Perhaps Ruud considers X-Wing as very hard (Samurai 70 for last Tuesday was rated Very Hard and had an X-Wing). I must admit that I found this Samrau to be very easy. I solved it in 8 minutes, but other Samurais rated Tough, solved by other people in 5 minues have taken me more than an hour, Just couldn't spot a naked pair 
My day's form seems to have a big influence over my speed and ability to solve Sudokus. Some days almost everything goes easy, other days spoting a naked pair in two adjacent cells is problematic. |
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