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Puzzle 10/07/24: C

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Sat Jul 24, 2010 5:13 pm    Post subject: Puzzle 10/07/24: C Reply with quote

Code:
 +-----------------------+
 | . 8 . | 1 . 4 | . 9 . |
 | 4 . 5 | 7 . 9 | . . 1 |
 | . 1 9 | . 5 8 | . 4 . |
 |-------+-------+-------|
 | 8 7 . | . . 6 | . . . |
 | . . 3 | . . . | 1 5 . |
 | 5 9 1 | 4 . . | 8 6 7 |
 |-------+-------+-------|
 | . . . | . 7 5 | 6 . . |
 | 1 . 6 | . 9 3 | . . . |
 | . 5 . | . . 1 | . . . |
 +-----------------------+

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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

PostPosted: Sat Jul 24, 2010 11:24 pm    Post subject: Reply with quote

Three classic steps.........

Quote:
w-wing 24 r4c3 & r8c2 SL (4)r48c7; r5c2,r79c3<>2 plus transport (2)r4c3-r5c1=(2)r5c9{*M}-r13c9=(2)r123c7 ; r8c9{*M},r8c7<>2

xy-wing -246 vertex (46)r5c2; r79c1<>2

xy-wing -246 vertex (46)r5c2 and pseudocell (26)r2c27; r4c7<>2
plus transport (2)r4c3-r4c89=(2)r5c9
plus transport (2)r2c7-r2c5=(2)r1c5; r1c3<>2

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK

PostPosted: Sun Jul 25, 2010 6:08 pm    Post subject: Reply with quote

Lots of not very helpful xyz action, also three steps
Quote:
finned x-wing(4) ; r8c2<>4
xy-wing(23-6) r2c8 ; r3c1<>6
xy-chain (6=2)r5c1 - (2=7)r3c1 - (7=2)r1c3 - (2=6)r1c5 ; r1c1<>6
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