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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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 Posted: Thu Sep 13, 2012 5:59 am Post subject: Vanhegan Fiendish September 13, 2012 |
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| Code: |
*-----------*
|..1|.42|...|
|..7|8..|9..|
|...|5..|.87|
|---+---+---|
|..2|3..|7.5|
|.7.|...|.4.|
|3.5|..9|1..|
|---+---+---|
|65.|..7|...|
|..8|..4|2..|
|...|13.|5..|
*-----------*
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Play/Print this puzzle online |
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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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| Posted: Thu Sep 13, 2012 8:50 am Post subject: Vanhagen Fiendish September 13, 2012 |
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| Code: |
+--------------+-----------+----------------+
| 89 89 1 | 7 4 2 | 36 5 36 |
| 5 4 7 | 8 6 3 | 9 12 12 |
| 2 36 36 | 5 9 1 | 4 8 7 |
+--------------+-----------+----------------+
| 4 1689 2 | 3 18 68 | 7 69 5 |
| 189 7 69 | 26 128 5 | 368 4 -3689 |
| 3 68 5 | 4 7 9 | 1 26 268 |
+--------------+-----------+----------------+
| 6 5 349 | 29 28 7 | 38 139 13489 |
| 179 139 8 | 69 5 4 | 2 3679 369 |
| 79 2 49 | 1 3 68 | 5 679 4689 |
+--------------+-----------+----------------+
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Hidden UR 36 in r15c79; r5c9<>3 leading to
BUG+1; r6c9=6 which solve it. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Sep 13, 2012 1:02 pm Post subject: |
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The posted code contains a locked candidate on 3 in box9, which also results in additional deletions.
Code after basics:
| Code: | *--------------------------------------------------*
| 8 9 1 | 7 4 2 | 36 5 36 |
| 5 4 7 | 8 6 3 | 9 12 12 |
| 2 36 36 | 5 9 1 | 4 8 7 |
|----------------+----------------+----------------|
| 4 18 2 | 3 18 6 | 7 9 5 |
| 19 7 69 | 2 18 5 | 36 4 368 |
| 3 68 5 | 4 7 9 | 1 26 268 |
|----------------+----------------+----------------|
| 6 5 34 | 9 2 7 | 8 13 14 |
| 17 13 8 | 6 5 4 | 2 37 9 |
| 79 2 49 | 1 3 8 | 5 67 46 |
*--------------------------------------------------*
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A Type 1 UR(36)r15c79; -36r5c9 completes the puzzle.
Ted |
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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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| Posted: Thu Sep 13, 2012 4:53 pm Post subject: Vanhagen Fiendish September 13, 2012 |
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tlanglet
Thanks for pointing out that. It is a one step solution. The Box Line Reductions usually elude me  |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Sep 13, 2012 5:35 pm Post subject: |
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| I also missed the locked 3s, so I also used the UR and BUG+1. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Sep 13, 2012 5:42 pm Post subject: |
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| tlanglet wrote: | The posted code contains a locked candidate on 3 in box9, which also results in additional deletions.
Code after basics:
| Code: | *--------------------------------------------------*
| 8 9 1 | 7 4 2 | 36 5 36 |
| 5 4 7 | 8 6 3 | 9 12 12 |
| 2 36 36 | 5 9 1 | 4 8 7 |
|----------------+----------------+----------------|
| 4 18 2 | 3 18 6 | 7 9 5 |
| 19 7 69 | 2 18 5 | 36 4 368 |
| 3 68 5 | 4 7 9 | 1 26 268 |
|----------------+----------------+----------------|
| 6 5 34 | 9 2 7 | 8 13 14 |
| 17 13 8 | 6 5 4 | 2 37 9 |
| 79 2 49 | 1 3 8 | 5 67 46 |
*--------------------------------------------------*
|
A Type 1 UR(36)r15c79; -36r5c9 completes the puzzle.
Ted |
I might also point out that an XY-Wing (496), pivoted in r9c3, plus one transport, does the job too. |
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