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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sat Feb 28, 2009 4:19 pm Post subject: Set L Puzzle 58 |
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| Code: | +-----------------------+
| 6 . . | 3 . . | . . . |
| . 4 9 | . . . | . . . |
| . 3 8 | 1 9 5 | . . . |
|-------+-------+-------|
| 9 . 1 | . . . | 8 . 3 |
| . . 6 | . 8 . | . . . |
| . . 4 | . . 6 | 9 . . |
|-------+-------+-------|
| . . . | 4 . 7 | 1 . 8 |
| . . . | . . . | . 3 . |
| . . . | 5 . . | 4 . 9 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Mar 01, 2009 6:36 am Post subject: |
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| Code: | .------------------.------------------.------------------.
| 6 257 25 | 3 4 8 | 27 9 1 |
| 1 4 9 | 6 7 2 | 3 8 5 |
| 27 3 8 | 1 9 5 | 267 47 2467 |
:------------------+------------------+------------------:
| 9 27 1 | 27 5 4 | 8 6 3 |
| 2357 257 6 | 9 8 13 | 257 1457 247 |
| 35 8 4 | 27 13 6 | 9 15 27 |
:------------------+------------------+------------------:
| 25 9 3 | 4 6 7 | 1 25 8 |
| 4 1 57 | 8 2 9 | 567 3 67 |
| 8 6 27 | 5 13 13 | 4 27 9 |
'------------------'------------------'------------------' |
going to rotate this puzzle around two candidates.
w-wing {2,7} removes 7 from r3c8
extended that same w-wing to eliminate the 7 in r3c7...
(7=2)r3c1 - (2)r7c1 = (2)r9c3 - (2=7)r9c8 - (7=6)r8c9 - (6)r8c7 = (6)r3c7; r3c7 <> 7
w-wing extended {2,7} in r6c9 and r4c2 to eilminate the 7 in r3c9
(7=2)r6c9 - (2)r6c4 = (2)r4c4 - (2=7)r4c2 - (7)r1c2 = (7)r1c7; r3c9 <> 7
xyz-wing finishes {2,3,5} in box4. removes 5 from r5c2. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Tue Mar 03, 2009 5:32 pm Post subject: |
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I worked with <257>. Started with a "flightless" xy-wing<257> but two extensions provided deletions, a x-wing<5>, a kite<7>, a flightless w-wing<27> with an extension , and finally another xy-wing<257>.
Fun 
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Mar 05, 2009 1:04 am Post subject: |
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| I couldn't find any of the W-Wings on 27. I used a bunch of moves starting with a UR and ending with a W-Wing on 25. |
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