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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sat Mar 26, 2011 3:37 am Post subject: Puzzle 11/03/25: ~ Moderate/Difficult |
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| Code: | +-----------------------+
| . . . | . 5 . | . . . |
| . . . | 8 . 2 | 5 . 1 |
| . . 5 | . . 1 | . . 8 |
|-------+-------+-------|
| . 5 . | 3 . . | 8 2 6 |
| 8 . . | . 7 4 | . 5 9 |
| . 9 2 | . 8 6 | . . . |
|-------+-------+-------|
| . 4 . | 7 . . | 1 . . |
| . . . | 1 2 . | . 7 4 |
| . 7 1 | 4 6 . | . 8 5 |
+-----------------------+
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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 Mar 26, 2011 4:45 pm Post subject: |
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I found a couple of fun and interesting AURs, but they resulted in a BBDBer so I resorted to simpler moves......
| Quote: | xy-wing (26-3) with vertex (26)r1c7 and pseudocell (36)r8c73; r1c3<>3
Kite 6 with pivot b7; r2c8<>6
BUG+1 r1c8=6
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Ted |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Sat Mar 26, 2011 6:08 pm Post subject: |
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I played basically the same as Ted, but went back to look for something more fun... and completely OTT!
Note these two almost-patterns...
| Code: | *------------------------------------------------------------*
| 1 8 w349 |w69 5 7 | 26 3469 23 |
|#4679 s36 @3479 | 8 34 2 | 5 s3469 1 |
| 469 2 5 | 69 34 1 | 7 3469 8 |
|-------------------+-------------------+--------------------|
| 47 5 47 | 3 1 9 | 8 2 6 |
| 8 1 6 | 2 7 4 | 3 5 9 |
| 3 9 2 | 5 8 6 | 4 1 7 |
|-------------------+-------------------+--------------------|
| 26 4 8 | 7 9 5 | 1 36 23 |
| 5 s36 w39 | 1 2 8 |sw69 7 4 |
| 29 7 1 | 4 6 3 | 29 8 5 |
*------------------------------------------------------------*
skyscraper(6)[(6)r2c8=r2c2 - r8c2=r8c7] fin (6)r2c1 (marked "s" and "#")
w-wing(69)[(6=9)r1c4 - r1c3=r8c3 - (9=6)r8c7] fin (9)r2c3 (marked "w" and "@") |
The two "fins" sit on a strong link on 7 which forces one of the patterns to be true! (Since if one fin is true, it is not a 7 and so the other fin is a 7 and so is false making that pattern exist) Both patterns delete (6)r1c7 cracking the puzzle!
| Code: | | skyscraper(6)r2,r8=(6)r2c1 - (7)r2c1=r2c3 - (9)r2c3=w-wing(69)r1c4,r8c7 ; r1c7<>6 |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Mar 26, 2011 6:28 pm Post subject: |
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Peter, That is a double cool move 
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sun Mar 27, 2011 8:45 pm Post subject: |
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W-Wing (26), flightless with transport; r3c1<>6
XY-Wing (269), flightless with transport; r1c3<>9
XY-Wing (349); r2c3, r9c1<>9 |
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