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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Mon Jul 20, 2009 1:52 am Post subject: July 20 VH |
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Same old, same old.
Solution: 248 xy-wing eliminates the 8 in R8C4 and solves the puzzle.
Early Earl |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Mon Jul 20, 2009 4:07 am Post subject: |
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Here is the puzzle after enough basics removed for the xy-wing solution identified by Earl.
| Code: |
+-----------------+----------------+----------------+
| 9 12468 1248 | 12568 3 2568 | 145 1246 7 |
| 5 126 12 | 4 7 26 | 9 3 8 |
| 148 7 3 | 12568 68 9 | 145 1246 2456 |
+-----------------+----------------+----------------+
| 7 458 9 | 3 2 1 | 6 48 45 |
| 3 12458 12458 | 568 468 4568 | 1458 7 9 |
| 148 1458 6 | 7 9 458 | 2 148 3 |
+-----------------+----------------+----------------+
| 148 3 148 | 9 468 2468 | 7 5 246 |
| 2 489 7 | 68 5 3 | 48 4689 1 |
| 6 4589 458 | 28 1 7 | 3 2489 24 |
+-----------------+----------------+----------------+
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Play this puzzle online at the Daily Sudoku site |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon Jul 20, 2009 12:15 pm Post subject: |
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 I did it again. Removed not correct
Last edited by arkietech on Tue Jul 21, 2009 2:31 am; edited 1 time in total |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Tue Jul 21, 2009 1:43 am Post subject: |
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| arkietech wrote: | | I used a |
If there is a w-wing on 48 then that confuses me further about w-wings. I thought that w-wings (on a 48 ) had an 48-b-c-48 connection with a strong link comprising the b-c link. I am not seeing that here.
On the other hand, I see a kite. There is a stong link of 8 in row 4 and in column 7. This would remove the 8 in c8r6.
| Code: |
+-----------------+----------------+----------------+
| 9 12468 1248 | 12568 3 2568 | 145 1246 7 |
| 5 126 12 | 4 7 26 | 9 3 8 |
| 148 7 3 | 12568 68 9 | 145 1246 2456 |
+-----------------+----------------+----------------+
| 7 458 9 | 3 2 1 | 6 48 45 |
| 3 12458 12458 | 568 468 4568 | 1458 7 9 |
| 148 1458 6 | 7 9 458 | 2 148 3 |
+-----------------+----------------+----------------+
| 148 3 148 | 9 468 2468 | 7 5 246 |
| 2 489 7 | 68 5 3 | 48 4689 1 |
| 6 4589 458 | 28 1 7 | 3 2489 24 |
+-----------------+----------------+----------------+
|
Play this puzzle online at the Daily Sudoku site
Last edited by crunched on Tue Jul 21, 2009 4:26 am; edited 1 time in total |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Tue Jul 21, 2009 2:34 am Post subject: |
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| crunched wrote: | If there is a w-wing on 48 then that confuses me further about w-wings. I thought that w-wings (on a 4 had an 48-b-c-48 connection with a strong link comprising the b-c link. I am not seeing that here.
On the other hand, I see a kite. There is a stong link of 8 in row 4 and in column 7. This would remove the 8 in c8r6.
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You are correct I have removed my post. Thanks |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Tue Jul 21, 2009 4:28 am Post subject: |
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Hey, don't let me talk you out of it. Just 'cause I say it aint so don't mean it aint so.
I am plenty green and learning myself.
| arkietech wrote: | | crunched wrote: | If there is a w-wing on 48 then that confuses me further about w-wings. I thought that w-wings (on a 4 had an 48-b-c-48 connection with a strong link comprising the b-c link. I am not seeing that here.
On the other hand, I see a kite. There is a stong link of 8 in row 4 and in column 7. This would remove the 8 in c8r6.
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You are correct I have removed my post. Thanks |
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swando
Joined: 09 Mar 2009
Posts: 17
Location: Surrey, BC. Canada
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| Posted: Wed Jul 22, 2009 6:29 am Post subject: |
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| Yep..same old etc..248 in r9 box 9 |
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