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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Mon Apr 19, 2010 12:52 pm Post subject: Puzzle 10/04/19 (B) |
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| Code: | +-----------------------+
| 3 5 . | . . 1 | . . . |
| 2 . 6 | . 9 8 | . 5 7 |
| . 9 7 | . . . | . . . |
|-------+-------+-------|
| . . . | 9 . . | . . . |
| . 2 . | . . . | 7 1 6 |
| 7 6 . | . . . | . . . |
|-------+-------+-------|
| . . . | . 4 . | . 2 . |
| . 8 . | . 6 . | 5 . 1 |
| . 7 . | . 1 . | . 9 . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Mon Apr 19, 2010 6:07 pm Post subject: |
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| Quote: | | Two xy-wings: 1)134 2)358 |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon Apr 19, 2010 8:17 pm Post subject: |
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A one stepper: | Quote: | (3=2)r8c3-r9c3=(2-8)r9c4=r7c4-(8=3)r7c9-r7c2=(3)r4c2; r456c3,r7c2<>3
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Wed Apr 21, 2010 4:48 am Post subject: |
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| Type 4 UR (23) sets up XY-Wing (253). |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Apr 21, 2010 12:33 pm Post subject: |
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Still looking for more unusual moves, I found another 'funny" xyz-wing 235 in r9c3.
(2)r9c3 - (2=3)r8c3; r7c23<>3,
(3)r9c3; r7c23<>3,
(5)r9c3 - (5=3)r9c6 - r9c79 = (3)r7c79; r7c23<>3.
Thus, r7c23<>3 to complete the puzzle.
I have recently found a small number of patterns similar to this one and was wondering if they have a name?
Ted |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Wed Apr 21, 2010 1:33 pm Post subject: |
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| Did you see the "funny" xy wing I uncovered elsewhere Ted ? |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Wed Apr 21, 2010 3:23 pm Post subject: |
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| tlanglet wrote: | I have recently found a small number of patterns similar to this one and was wondering if they have a name?
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It appears to me that you took a non-productive XYZ-Wing and extended/transported the pincer at r9c6 to r7c79. As such, I don't think it has a name. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Apr 21, 2010 3:40 pm Post subject: |
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| Mogulmeister wrote: | | Did you see the "funny" xy wing I uncovered elsewhere Ted ? |
You mean an absolutely wonderful finned xy-wing? Yes I saw it and left a post.
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Wed Apr 21, 2010 3:47 pm Post subject: |
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| daj95376 wrote: | | tlanglet wrote: | I have recently found a small number of patterns similar to this one and was wondering if they have a name?
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It appears to me that you took a non-productive XYZ-Wing and extended/transported the pincer at r9c6 to r7c79. As such, I don't think it has a name. |
I didn't look at the grid and that particular move, but what you have described was described here a couple of years ago and it was called "XYZ Transport." It's fun but I've only been able to use it a couple of times. |
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