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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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 Posted: Thu Mar 24, 2011 10:26 am Post subject: 24 March VH |
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Once again this is late for a first post!
After basics:
| Code: |
+---------+------------+----------+
| 17 9 6 | 125 24 45 | 35 8 357 |
| 78 3 2 | 58 6 9 | 1 4 57 |
| 5 18 4 | 18 7 3 | 6 2 9 |
+---------+------------+----------+
| 28 28 9 | 6 1 7 | 34 5 34 |
| 4 7 3 | 9 5 2 | 8 1 6 |
| 16 16 5 | 4 3 8 | 9 7 2 |
+---------+------------+----------+
| 9 5 7 | 3 24 1 | 24 6 8 |
| 26 4 8 | 7 9 56 | 25 3 1 |
| 3 26 1 | 25 8 456 | 7 9 45 |
+---------+------------+----------+
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Play this puzzle online at the Daily Sudoku site
A solution A double ended 256 XY Wing centred on R9C4 or R8C6- take your pick
But for some reason I found I'd made a mistake twice before I came to this solution! |
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George Woods
Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
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| Posted: Thu Mar 24, 2011 12:11 pm Post subject: an xyz wing |
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| The Xyz wing 456 in boxes 8 and 9 alos works |
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Rocky Mozell
Joined: 28 Jul 2010
Posts: 34
Location: Boston, MA
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| Posted: Thu Mar 24, 2011 3:20 pm Post subject: |
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| And a double 245 XY wing in boxes 8 and 9. |
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kuskey
Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH
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| Posted: Thu Mar 24, 2011 3:29 pm Post subject: Mar 24 VH |
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It gave me fits too-made a mistake early and had to restart, missed the second version of the 256 XY-Wing, and found a mistake in my original notes. In addition to the solutions mentioned, I found:
1. XY-Wing 245 pivot r9c9 setting r7c5<>2
2.three versions of W-Wing 45 in c69, all with SL on 5 in r2,r8, c7 all setting r9c6<>4
3.W-Wing on 25 in c47 SL on 2 in r7 setting r8c6 and r9c9<>5 |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Wed Mar 30, 2011 9:04 pm Post subject: |
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I saw the W-wing also.
Otherwise, an X-wing on 5 opens up an XY-wing 2-45.
Keith |
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