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Puzzle 10/10/30: C XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Oct 30, 2010 1:18 am    Post subject: Puzzle 10/10/30: C XY Reply with quote
Code:
 +-----------------------+
 | 3 . 6 | . 5 1 | 4 . . |
 | . 4 . | . 3 . | . . . |
 | 1 . 9 | . 4 . | . . 6 |
 |-------+-------+-------|
 | . . . | . 2 5 | . . . |
 | 4 8 2 | 3 1 . | . 6 5 |
 | 9 . . | 4 . 6 | . . . |
 |-------+-------+-------|
 | 5 . . | . . . | 2 . 3 |
 | . . . | . 9 . | . . . |
 | . . 3 | . 8 . | 9 . 1 |
 +-----------------------+

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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat Oct 30, 2010 9:45 am    Post subject: Reply with quote
A wing...
Quote:
m-wing(15) with transport of bivalue ; (1=5)r6c3 - r6c2=r3c2 - r3c7=(5-1)r2c7=r4c7 ; r6c8<>1

As I type this I see I missed the much simpler w-wing(15) r6c3, r2c7, b6!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Oct 31, 2010 12:24 am    Post subject: Reply with quote
I played the W-Wing (15); r2c3<>5 + transport; r6c2<>5.
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Tue Nov 09, 2010 2:18 pm    Post subject: Reply with quote
I started looking for "almost" steps and found a ANT and AHP but then noticed the m-wing which was a one stepper........

ANT(267=8)r8c1|r9c12-r78c3=(8-5)r2c3=(5-1)r2c7=r4c7-(1=7)r4c3; r78c3<>7

AHP(14=8)r78c3|r2c3-(5)r2c3=(5-1)r2c7=(1)r4c7; r4c3<>1

m-wing (1=5)r6c3-r2c3=(5-1)r2c7=(1)r4c7; r6c8<>1

Ted
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