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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Thu Jan 21, 2016 10:13 pm Post subject: Jan 22 VH |
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| Code: |
+----------+-------------+-----------+
| 7 6 28 | 4 1 3 | 5 28 9 |
| 89 4 3 | 259-6 59 26 | 1 28 7 |
| 5 29 1 | *29 7 8 | 6 4 3 |
+----------+-------------+-----------+
| 2 7 4 | 8 3 1 | 9 5 6 |
| 3 1 5 | 69 49 4-6 | 28 7 28 |
| 6 8 9 | 7 2 5 | 3 1 4 |
+----------+-------------+-----------+
| 4 5 28 | 3 6 7 | 28 9 1 |
| 89 29 6 | 1 458 24 | 7 3 258 |
| 1 3 7 | 25 58 9 | 4 6 258 |
+----------+-------------+-----------+
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XY-Wing 29-6 pivoted in r3c4; r2c4, r5c6 <>6; stte |
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the_lock_man
Joined: 18 Dec 2012
Posts: 40
Location: Portsmarfff, UK
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| Posted: Fri Jan 22, 2016 12:22 pm Post subject: |
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| Also XY Wing 29-5 pivoted in the same place; r7c5 & r8c5 <>5; also stte |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Jan 22, 2016 2:52 pm Post subject: |
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| the_lock_man wrote: | | Also XY Wing 29-5 pivoted in the same place; r7c5 & r8c5 <>5; also stte |
Very interesting. I think that's a first for me, two XY-Wings, with different pincers, pivoted in the same cell. |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Sat Jan 23, 2016 11:01 am Post subject: |
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| the_lock_man wrote: | | Also XY Wing 29-5 pivoted in the same place; r7c5 & r8c5 <>5; also stte |
I tried that one but it didn't seem to come out with basics. As always I may
have missed something. It is an unusual combination of wings though. |
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dongrave
Joined: 06 Mar 2014
Posts: 568
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| Posted: Sat Jan 23, 2016 1:02 pm Post subject: |
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| I missed it the first time too Hugh! Did you remember to eliminate the 5 from r2c4? That gives us r2c5=5 and r9c5 is 8 so r8c5=4, r8c6=2 and r9c4=5 and then it branches out in all directions to solve it. |
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