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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Sat Jul 24, 2010 5:13 pm Post subject: Puzzle 10/07/24: C |
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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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Play this puzzle online at the Daily Sudoku site |
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tlanglet
Joined: 17 Oct 2007 Posts: 2468 Location: Northern California Foothills
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Posted: Sat Jul 24, 2010 11:24 pm Post subject: |
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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
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Posted: Sun Jul 25, 2010 6:08 pm Post subject: |
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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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