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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sat Feb 21, 2009 12:04 pm Post subject: Set J Puzzle 88 -- VH+ |
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Last puzzle in this set.
| Code: | +-----------------------+
| 1 8 . | 7 . . | . 4 6 |
| 3 . . | . . . | . . . |
| . . 7 | . 4 . | . . . |
|-------+-------+-------|
| 2 . . | 1 . . | . . . |
| . . 6 | . 2 4 | . . . |
| . . . | . 6 3 | 1 8 . |
|-------+-------+-------|
| . . . | . . 9 | . . . |
| 7 . . | . . 5 | . 3 4 |
| 6 . . | . . . | . 7 1 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
===== ===== ===== ===== ===== ===== ===== ===== ===== Ratings are Accumulative
Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidate 1/2
Basics+: Naked Quad, Hidden Pair/Triple/Quad
VH: BUG+1, UR Type 1, X-Wing, XY-Wing, XYZ-Wing
VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper, Colors, UR Type 2, finned/Sashimi X-Wing
Advanced: Multiple Colors, Swordfish, M-Wing, W-Wing, XY-Chain
Extreme: Jellyfish, (but mostly) Chain |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Sat Feb 21, 2009 3:32 pm Post subject: |
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I used a skyscraper and an xyz.
I saw a finned swordfish ( and a 2-string-kite) that also works as a first step but the xyz is still needed after. Here is the big fish. The kite does this same elimination, a different one than the sky does, BTW.
| Code: | .-----------------.-------------.-----------------.
| 1 8 59 | 7 59 2 | 3 4 6 |
| 3 246 24 | 8 59 16 | 25 #1259 7 |
|*59 26 7 | 3 4 16 | 258 *1259 58-9|
:-----------------+-------------+-----------------:
| 2 59 3 | 1 8 7 | 4 6 59 |
| 8 1 6 |*59 2 4 | 7 *59 3 |
|*459 7 459 |*59 6 3 | 1 8 2 |
:-----------------+-------------+-----------------:
| 45 3 1 | 246 7 9 | 2568 25 58 |
| 7 29 8 | 26 1 5 | 269 3 4 |
| 6 2459 2459 | 24 3 8 | 259 7 1 |
'-----------------'-------------'-----------------' |
The sword makes this my favorite of the ones posted today.  |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Feb 22, 2009 6:52 am Post subject: |
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| Code: | .------------------.------------------.------------------.
| 1 8 59 | 7 59 2 | 3 4 6 |
| 3 246 24 | 8 59 16 | 25 1259 7 |
| 59 26 7 | 3 4 16 | 258 1259 589 |
:------------------+------------------+------------------:
| 2 59 3 | 1 8 7 | 4 6 59 |
| 8 1 6 | 59 2 4 | 7 59 3 |
| 459 7 459 | 59 6 3 | 1 8 2 |
:------------------+------------------+------------------:
| 45 3 1 | 246 7 9 | 2568 25 58 |
| 7 29 8 | 26 1 5 | 269 3 4 |
| 6 2459 2459 | 24 3 8 | 259 7 1 |
'------------------'------------------'------------------' |
this chain also takes care of it in one step.
(5=2)r2c7 - (2)r2c3 = (2)r9c3 - (2=9)r8c2 - (9)r8c7 = (9)r9c7; r9c7 <> 5 |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sun Feb 22, 2009 11:28 pm Post subject: |
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| Two W-Wings on different pairs of 59 cells and an XYZ-Wing on 245 to finish. |
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