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Puzzle 11/03/10: ~ Moderate BBDB?

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Thu Mar 10, 2011 4:45 pm Post subject: Puzzle 11/03/10: ~ Moderate BBDB?

Code:

+-----------------------+
| . . . | . . . | . . 5 |
| . 5 . | 6 7 . | . 8 . |
| . . 9 | . . 8 | 7 . 6 |
|-------+-------+-------|
| . 3 . | 5 . . | 8 . 2 |
| . 8 . | . . 7 | 5 . . |
| . . 6 | . 8 . | . 3 7 |
|-------+-------+-------|
| . . 3 | 7 2 . | 6 5 8 |
| . 6 . | . . 5 | 2 . . |
| 2 . 5 | 8 . 3 | 9 . 1 |
+-----------------------+

Play this puzzle online at the Daily Sudoku site

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Fri Mar 11, 2011 1:04 am Post subject:

XY-Wing (194) Coloring (1) Skyscraper (4) plus transport XY-Wing (491), flightless with transport BUG+1 or XY-Chain

tlanglet

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

Posted: Fri Mar 11, 2011 3:21 pm Post subject:

Fun puzzle....

After basics....

Code:

*--------------------------------------------------------------------*
| 6 7 8 | 12349 1349 129 | 134 129 5 |
| 134 5 tf124 | 6 7 129 | 134 8 f49 |
| 34 t12 9 | 34 5 8 | 7 t12 6 |
|----------------------+----------------------+----------------------|
| 7 3 tf14 | 5 149 6 | 8 f(-1)9 2 |
|#149 8 tf124 | 12349 1349 7 | 5 6 f#49 |
| 5 129 6 | 1249 8 129 |f#14 3 7 |
|----------------------+----------------------+----------------------|
| 19 19 3 | 7 2 4 | 6 5 8 |
| 8 6 7 | 19 19 5 | 2 4 3 |
| 2 4 5 | 8 6 3 | 9 7 1 |
*--------------------------------------------------------------------*

AXY-wing (-149) vertex (49)r5c9, pincers (19)r5c1 & (14)r6c7 with fin (4)r5c1 plus transport; r6c2,r4c8*<>1
If fin is true: (4)r5c1-r45c3=r2c3-r2c9=(4-9)r5c9=(9-1)r4c8*=(1)r6c7 (Fin is marked "f")
However, if we transport a pincer we get a killer bonus: (1)r5c1-r45c3=r2c3-r3c2=(1)r3c8; r4c8*<>1 (Transport is marked "t")

To complete the puzzle, BUG+1; r1c6=2

Ted

peterj

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

Posted: Fri Mar 11, 2011 9:37 pm Post subject:

Another wing-like move... for two also

Code:

m-wing-like(92) ; (91=2)r43c8 - r3c2=(2-9)r6c2=r5c1 ; r5c9<>9
BUG+1 ; r1c6=2

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