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Feb 5 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Wed Feb 04, 2015 10:11 pm    Post subject: Feb 5 VH Reply with quote

Code:

+--------+------------+----------+
| 2 1  9 | 3   4   6  | 8 7  5   |
| 3 5  4 | 279 27  8  | 1 6  29  |
| 6 7  8 | 29  5   1  | 4 23 239 |
+--------+------------+----------+
| 9 38 7 | 4   13  5  | 2 18 6   |
| 1 68 5 | 27  267 29 | 3 89 4   |
| 4 36 2 | 8   136 39 | 5 19 7   |
+--------+------------+----------+
| 5 2  3 | 6   8   7  | 9 4  1   |
| 7 9  1 | 5   23  4  | 6 23 8   |
| 8 4  6 | 1   9   23 | 7 5  23  |
+--------+------------+----------+
XY-Wing 39-1 pivoted in r6c6; r4c8<>1; stte
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Thu Feb 05, 2015 6:16 am    Post subject: Reply with quote

I butchered this thing, playing three X-Wings before noticing the XY-Wing, or maybe I had incomplete basics before starting looking.
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danw



Joined: 31 Jul 2012
Posts: 16
Location: Phoenixville, PA USA

PostPosted: Thu Feb 05, 2015 4:32 pm    Post subject: Reply with quote

I saw the 136 XYZ-wing pivoted r6c5; r6c6<>3 first. Strange because I usually see XY wings way before XYZ wings. Can someone explain what does the stte in Clements solution mean ?

Thanks,

DanW
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Thu Feb 05, 2015 4:35 pm    Post subject: Reply with quote

stte = singles to the end (all that remain to complete the puzzle are singles).
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danw



Joined: 31 Jul 2012
Posts: 16
Location: Phoenixville, PA USA

PostPosted: Sat Feb 07, 2015 11:14 am    Post subject: Reply with quote

Thanks arkietech, if I learn the terminology and apply it I am hoping to get better. I also think your username is very clever and hope to some day understand your solution posts. You seem to be at a very high level of sudokuness and I appreciate the sharing of your wisdom.
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