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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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 Posted: Fri Apr 03, 2009 12:56 pm Post subject: Far Too Long Between VHs |
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| It’s been 9 days since the last Very Hard puzzle. The discussions and number of views for the Daily Puzzle Forum clearly show a popular interest in the VHs. And we can always find the easier ones in our daily papers. Nine days is far too long to wait for my hardline Sudoku fix !! |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Sat Apr 04, 2009 5:38 am Post subject: |
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| Code: | 1 . .|. . .|. 4 9
. . .|. 7 .|8 . 5
. . 8|4 . .|7 . .
-----+-----+-----
. . 2|. . 9|. . 6
7 6 .|. 3 .|. 8 2
4 . .|1 . .|5 . .
-----+-----+-----
. . 4|. . 8|2 . .
8 . 7|. 1 .|. . .
2 3 .|. . .|. . 8 |
Perhaps too hard. I like ones about this level. |
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sdq_pete
Joined: 30 Apr 2007
Posts: 119
Location: Rotterdam, NL
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| Posted: Sat Apr 04, 2009 1:01 pm Post subject: |
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A straightforward one: a single XY (179) finishes it off.
Peter |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Apr 04, 2009 4:56 pm Post subject: |
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Wapati, I worked for over an hour on this, especially looking for swordfish, sashami steps and finned steps. I only found one swordfish and suspect that I missed the critical step.
It took me eight steps to complete as follows: | Quote: | UR 26 with strong link on <2>,
x-wing 1,
xyz 159
finned x-wing 6 which did not make any deletions in the box containing the fin, but by transporting the fin it provided a deletion also made by the x-wing; I treat the fin like a Kraken x-wing,
swordfish 6 opened by the prior move,
xy-wing 139,
w-wing 39,
xy-wing 569
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Ted |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Sat Apr 04, 2009 7:18 pm Post subject: |
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Good job, busy puzzle.
The sword I know of is on 6s, if you saw it earlier it could be finned. |
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Sat Apr 04, 2009 8:01 pm Post subject: |
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| Code: | . . .|. . .|. . .
. . 9|7 . .|3 2 .
. . .|2 9 8|7 . .
-----+-----+-----
8 . .|. . 9|1 3 .
9 2 .|3 . 6|. 7 8
. 5 3|8 . .|. . 2
-----+-----+-----
. . 6|1 8 3|. . .
. 3 2|. . 7|9 . .
. . .|. . .|. . . |
Another fun puzzle.
I find one sword, sash/finned, perhaps. |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Apr 05, 2009 2:57 am Post subject: |
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| Code: | .------------------.------------------.------------------.
| 2 1467 1457 | 46 3 145 | 8 1456 9 |
| 146 8 9 | 7 146 145 | 3 2 1456 |
| 3 146 145 | 2 9 8 | 7 1456 1456 |
:------------------+------------------+------------------:
| 8 467 47 | 45 2 9 | 1 3 456 |
| 9 2 14 | 3 145 6 | 45 7 8 |
| 146 5 3 | 8 7 14 | 46 9 2 |
:------------------+------------------+------------------:
| 45 9 6 | 1 8 3 | 2 45 7 |
| 145 3 2 | 456 456 7 | 9 8 1456 |
| 7 14 8 | 9 456 2 | 456 1456 3 |
'------------------'------------------'------------------' |
this might be a long path, but its the order in which I found them.
ER 1 remvoes 1 from r2c1
coloring on 1 removes 1 from r2c9
coloring on 6 removes 6 from r2c9
w-wing {1,4} removes 4 from r4c2
xyz-wing removes 4 from r1c2
(4)r7c8 = (4-5)r7c1 = (5-1)r8c1 = (1)r8c9; r8c9 <> 4
coloring on 1's removes 1 from r3c2
(4=6)r3c2 - (6)r4c2 = (6)r6c1 - (6=4)r6c7 - (4=1)r6c6 - (1)r5c5 = (1-6)r2c5 = (6)r2c1; r2c1 <> 6 |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sun Apr 05, 2009 5:01 am Post subject: |
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If my second step is valid, then I used seven steps to complete the second puzzle posted by Wapati:
skyscraper <1> in r68c1; transport <1> r6c6 => r5c5 =>r2c5; delete r2c9,
A Kraken swordfish on <1> in r139c238 with fin at r5c3. The swordfish makes deletions at r1c6 & r3c9. Transport the fin r5c3 => r5c5 => r2c5; r1c6<>1.
finned x-wing <1>at r19c28 deletes r3c2,
xy-wing <146> with pivot <16> at r6c1,
xy-wing <146> with pivot <16> at r6c1 but different pincers deletes <4> r2c6,
then transport <4> r6c6 => r6c7 => r4c9; delete r2c9,
then transport r6c6 => r6c7 => r9c7 and transport <4> r2c1 => r3c2 => r9c2; delete <4> r9c58,
coloring <4> deletes r1c4,
xy-wing <456> with pivot <56> at r2c9 and pseudo-cell <45> at r2c56, transport <4> r2c5 => r5c5 => r6c6; deletes r6c7 to finish the puzzle,
NOW BREATH!
I hope my Kraken swordfish is valid. It is the very first one I have ever found, and was looking for swordfish specifically because I know Wapati likes them.
Ted  |
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Auburnmom
Joined: 13 Mar 2008
Posts: 25
Location: Auburn, AL
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| Posted: Fri Apr 17, 2009 2:13 pm Post subject: |
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| Did we offend someone when you requested more VHs? What a boring week! |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Apr 17, 2009 4:13 pm Post subject: |
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| Auburnmom wrote: | | Did we offend someone when you requested more VHs? What a boring week! |
No, the puzzle difficulty is random.
Keith |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Apr 17, 2009 4:20 pm Post subject: |
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| Auburnmom wrote: | | Did we offend someone when you requested more VHs? What a boring week! |
As usual, Danny has posted several VH puzzle this past week under the heading "Puzzles by daj" on this forum.
Have fun .....
Ted |
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Auburnmom
Joined: 13 Mar 2008
Posts: 25
Location: Auburn, AL
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| Posted: Fri Apr 17, 2009 7:31 pm Post subject: |
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| Thank you for the information. |
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