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Jun 10 VH

 
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Wed Jun 10, 2015 11:51 am    Post subject: Jun 10 VH Reply with quote

After (fairly hard) basics:
Code:

+-------------+--------------+-------------+
| 267 29  79  | 468 1    48  | 78 3    5   |
| 36  145 145 | 9   3568 7   | 2  1468 146 |
| 367 145 8   | 56  356  2   | 17 146  9   |
+-------------+--------------+-------------+
| 1   345 345 | 458 458  9   | 6  7    2   |
| 47  8   457 | 3   2    6   | 59 1459 14  |
| 9   6   2   | 1   7    45  | 3  45   8   |
+-------------+--------------+-------------+
| 8   139 139 | 2   56   35  | 4  1569 7   |
| 24  249 6   | 7   458  1   | 59 589  3   |
| 5   7   134 | 468 9    348 | 18 2    16  |
+-------------+--------------+-------------+

Play this puzzle online at the Daily Sudoku site

Nice one today. Took ages.
Quote:
(Select this white box to view)
8 X-Wing c58 followed by
56-4 XY-Wing pivot r7c5
Hugh
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Earl



Joined: 30 May 2007
Posts: 624
Location: Victoria, KS

PostPosted: Wed Jun 10, 2015 3:17 pm    Post subject: VH 6-10 Reply with quote

Fours in column 1 and 5 allow elmination of other fours and solves the puzzle.

Earl
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Rocky Mozell



Joined: 28 Jul 2010
Posts: 34
Location: Boston, MA

PostPosted: Wed Jun 10, 2015 3:28 pm    Post subject: Reply with quote

When I try to use what looks like a perfectly good x-wing on 8 in c67 the puzzle goes bust. Could someone help me out here?
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kuskey



Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH

PostPosted: Wed Jun 10, 2015 5:15 pm    Post subject: Jun 10 VH Reply with quote

Rocky; this is a very good puzzle. The key for me was getting to the point that revealed the 456 XY-wing by using the 8 Xwing, the 345 trip followed by the 46 pair. After that I used a bunch of pairs, trips, and quads to the solution. When I solve a puzzle I tend to play in the order I see things so I'm not always sure I'm taking the shortest way to the solution. I have a feeling there are other paths to take.
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Wed Jun 10, 2015 5:36 pm    Post subject: Re: VH 6-10 Reply with quote

Earl wrote:
Fours in column 1 and 5 allow elmination of other fours and solves the puzzle.

Earl


Not as early as in the past but good to see you back, Earl.
Very Happy
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Rocky Mozell



Joined: 28 Jul 2010
Posts: 34
Location: Boston, MA

PostPosted: Wed Jun 10, 2015 10:18 pm    Post subject: Reply with quote

Actually, I did have it. Just for kicks I pushed the "Grade" button and it's response was "Too Hard", hence my last post. I started over, when I filled in after the 8 x-wing in c68 I tried grade again, again I got "Too Hard". This time I ignored it and went on to solve the puzzle. Lesson learned. Good puzzle!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Fri Jun 12, 2015 12:52 am    Post subject: Reply with quote

i saw X-Wings on 8 in r28 and c67
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Tue Jun 16, 2015 9:41 am    Post subject: Reply with quote

Rocky Mozell wrote:
Actually, I did have it. Just for kicks I pushed the "Grade" button and it's response was "Too Hard", hence my last post. I started over, when I filled in after the 8 x-wing in c68 I tried grade again, again I got "Too Hard". This time I ignored it and went on to solve the puzzle. Lesson learned. Good puzzle!


I too found the strange occurrence of 'Too Hard' which usually means you've
gone wrong- but in this case it's obviously a programming xx.
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