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Menneske 6317386sh(13)

 
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Fri Jun 08, 2012 4:34 pm    Post subject: Menneske 6317386sh(13) Reply with quote

I had an interesting move to solve it.
Code:
Puzzle: M6317386sh(13)
+-------+-------+-------+
| . 8 . | . . 4 | . . 1 |
| . . . | . 2 . | 9 . . |
| 9 6 7 | 5 . . | . 2 . |
+-------+-------+-------+
| 6 1 . | . . . | . . . |
| . . . | 2 . 9 | . . . |
| . . . | . . . | . 5 3 |
+-------+-------+-------+
| . 9 . | . . 8 | 5 . . |
| . . 5 | . 6 . | 3 . 9 |
| 8 . . | 7 . . | 2 . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

Keith
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arkietech



Joined: 31 Jul 2008
Posts: 1719
Location: Northwest Arkansas USA

PostPosted: Fri Jun 08, 2012 6:47 pm    Post subject: Reply with quote

I found a nice s-wing. Very Happy
Code:
 *-----------------------------------------------------------*
 | 5     8     2     | 9     7     4     | 6     3     1     |
 | 134   34    134   | 8     2     6     | 9     7     5     |
 | 9     6     7     | 5     13    13    | 48    2     48    |
 |-------------------+-------------------+-------------------|
 | 6     1     348   | 34    5     37    | 478   9     2     |
 |a347   5     348   | 2     1348  9     |e148-7 46    468   |
 |b47    2     9     | 6     148  c17    |d1478  5     3     |
 |-------------------+-------------------+-------------------|
 | 2     9     146   | 134   34    8     | 5     146   7     |
 | 14    7     5     | 14    6     2     | 3     8     9     |
 | 8     34    1346  | 7     9     5     | 2     146   46    |
 *-----------------------------------------------------------*
s-wing
(7)r5c1=r6c1-(7=1)r6c6-r6c7=(1)r5c7 => r5c7<>7; stte
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Sat Jun 09, 2012 1:50 am    Post subject: Reply with quote

After basics:
Code:
+----------------+----------------+----------------+
| 5    8    2    | 9    7    4    | 6    3    1    |
| 134  34   134  | 8    2    6    | 9    7    5    |
| 9    6    7    | 5    13   13   | 48   2    48   |
+----------------+----------------+----------------+
| 6    1    348  |E34   5   D37   | 478  9    2    |
| 347  5    348  | 2    1348 9    | 1478 46   468  |
|B47   2    9    | 6    148 A17   | 1478 5    3    |
+----------------+----------------+----------------+
| 2    9    146  | 134  34   8    | 5    146  7    |
|C14   7    5    |F14   6    2    | 3    8    9    |
| 8    34   1346 | 7    9    5    | 2    146  46   |
+----------------+----------------+----------------+

a) ABC is a flightless XY-wing: AC are pincers on 1.
b) ADEF is a short XY-chain: AF are pincers on 1.
c) CF are a strong link on 1. Only one of C or F is 1.

The only way abc can all be true is A is 1.

Puzzle solved. Cool

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5160
Location: Rochester, NY, USA

PostPosted: Sat Jun 09, 2012 5:06 am    Post subject: Reply with quote

Nothing like that here. I just looked at the potential DP on 16 in boxes 79 and the possibilities have a common outcome of r8c1=1.
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Sat Jun 09, 2012 10:15 am    Post subject: Reply with quote

Similar to the two chains already posted......

(7=3)r4c6-(3=4)r4c4-r8c4=r8c1-(4=7)r6c1; r6c6<>7

Ted
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