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Set NNP Puzzle 82

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Jan 25, 2009 5:48 pm Post subject: Set NNP Puzzle 82

Code:

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

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== New Ratings

Can be solved using steps from ...

Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidate 1/2

Basics+: Naked Quad, Hidden Pair/Triple/Quad

VH: BUG+1, UR Type 1, X-Wing, XY-Wing, XYZ-Wing

VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper, Colors, UR Type 2

Advanced: finned/Sashimi X-Wing, Multiple Colors, Swordfish, M-Wing, W-Wing, XY-Chain

Extreme: Jellyfish, (but mostly) Chain

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Sun Jan 25, 2009 10:17 pm Post subject:

Code:

.------------------.------------------.------------------.
| 2 6 3 | 5 4 7 | 19 19 8 |
| 5 4 9 | 1 8 3 | 7 6 2 |
| 1 7 8 | 6 2 9 | 5 4 3 |
:------------------+------------------+------------------:
| 7 28 24 | 48 35 1 | 6 39 59 |
| 6 3 5 | 248 9 248 | 148 18 7 |
| 48 9 1 | 7 35 6 | 248 238 45 |
:------------------+------------------+------------------:
| 48 5 6 | 2489 1 248 | 3 7 49 |
| 3 1 24 | 489 7 5 | 2489 289 6 |
| 9 28 7 | 3 6 48 | 248 5 1 |
'------------------'------------------'------------------'

x-wing 4
then this extended w-wing with group ending
(8=2)r8c8 - (2)r9c7 = (2)r9c2 - (2=8)r4c2 - (8)r4c = (8)r5c46; r5c8 <> 8

tlanglet

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

Posted: Mon Jan 26, 2009 12:24 am Post subject:

Also a two-stepper:

Quote:

x-wing<4> and xy-wing<248> with pivot <48> at r6c1 and transport <2> from pincer at r6c7 to r8c8 via r6c8 to delete <2> at r8c3.

Ted

Marty R.

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

Posted: Tue Jan 27, 2009 1:48 am Post subject:

I used X-Wings on 1 and 2, a Finned X-Wing on 4 and a Hidden UR on 28 to finish it off.

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