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Puzzle 10/06/01: (B)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Jun 01, 2010 4:22 pm    Post subject: Puzzle 10/06/01: (B) Reply with quote
Code:
 +-----------------------+
 | . 8 . | 1 . . | . . . |
 | 7 . 9 | . 4 6 | . . 8 |
 | . 1 6 | 7 . . | 4 . . |
 |-------+-------+-------|
 | 1 . 4 | 2 . . | 7 . . |
 | . 9 . | . 7 . | 8 . . |
 | . 7 . | . . 4 | . . . |
 |-------+-------+-------|
 | . . 7 | 5 3 . | 2 8 . |
 | . . . | . . . | 9 . 5 |
 | . 5 . | . . . | . 3 4 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Wed Jun 02, 2010 12:37 pm    Post subject: Reply with quote
A BBDB for me..............

Quote:
UR15 r26c78 SL1 r2c78, r26c8; r6c7<>5,
ANP(69=2)r79c1 - (2=1)r9c3 - (1=6)r9c7 - r7c9 = (6)r7c1; r8c12<>6
x-wing 1 r57c69; r6c9,r8c6<>1
kite 3 with hinge in box 1; r5c9<>3
kite 3 with hinge box3; r6c1<>3
AIC: (9=2)r3c8 - (2=6)r5c8 - r6c9 = (6-1)r7c9 = r7c6 - (1=9)r9c5; r3c5<>9
ANP(26=3)r6c89 - (3=2)r3c9 - r1c8 = r6c8; r6c1<>2

Ted
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Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Wed Jun 02, 2010 3:27 pm    Post subject: Reply with quote
Ted it looks like a bear - in your honour I shall start with an old friend:

ANP(6=12)r8c5-(1)r8c3=r9c3-(1=6)r9c7-r9c5=(6)r8c5

(many more steps to follow........)
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Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Wed Jun 02, 2010 3:46 pm    Post subject: Reply with quote
Quote:
Now for the four other steps!!

Swordfish on 1s r9c3<>1 r6c9<>1
XY Chain removes 5 from r6c7 pincers at r2c7 and r6c5
XY Chain for 9 with pincers at r1c6 r9c5; r13c5, r6c6 <>9
Carnage on 3s colouring r1c3, r3c9,r4c9,r5c6,r6c17<>3

Exclamation
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Wed Jun 02, 2010 3:54 pm    Post subject: Reply with quote
I should have labeled this a BBDB:

5-stepper wrote:
X-Wing, Kite, 3x XY-Wing
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Mogulmeister



Joined: 03 May 2007
Posts: 1151
PostPosted: Wed Jun 02, 2010 4:00 pm    Post subject: Reply with quote
Damn straight ! Laughing
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Wed Jun 02, 2010 4:18 pm    Post subject: Reply with quote
Laughing _ Laughing _ Laughing _
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Wed Jun 02, 2010 4:25 pm    Post subject: Reply with quote
I needed an xy-chain to get through this in three steps...
Quote:
x-wing(1); r6c9<>1, r8c6<>1
xy-chain (6=3)r1c7-(3=5)r1c3-(5=9)r1c6-(9=1)r7c6-(1=6)r7c9; r9c7<>6
w-wing(35) (5=3)r1c3-r1c7=r6c7-(3=5)r6c1; r3c1<>5, r5c3<>5

.. though you can combine the first two into one by incorporating the x-wing strong link into the chain ..
Quote:
(6=1)r7c9-r5c9=r5c6-(1=29)r78c6-(29=5)r1c6-(5=3)r1c3-(3=6)r1c7; r9c7<>6

(Edited to add notation for chain!)
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Jun 03, 2010 10:36 pm    Post subject: Reply with quote
I used 6 or 7 steps including UR, coloring and three XY-Wings.
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