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Set J Puzzle 5

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sat Jan 17, 2009 1:03 am Post subject: Set J Puzzle 5

Code:

+-----------------------+
| . . . | . 4 8 | . . 3 |
| . . 7 | 3 . 2 | 1 . 8 |
| . 5 . | . . 1 | . 4 2 |
|-------+-------+-------|
| . 8 . | 2 . 6 | . . . |
| 5 . . | . 3 . | . . . |
| 3 1 6 | 4 . 5 | . 2 9 |
|-------+-------+-------|
| . 3 . | . . . | . . . |
| . . 5 | . . 4 | . 3 . |
| 4 6 2 | . . 3 | . . 5 |
+-----------------------+

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== ===== ===== ===== =====

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, Remote Pair, UR Type 1, X-Wing, XY-Wing

Advanced: 2-String Kite, Empty Rectangle, Skyscraper, UR Type 2, XYZ-Wing

Extreme: finned X-Wing, Multiple Colors, M-Wing, W-Wing, XY-Chain

VH+AE: multi-step VH plus one Advanced and/or one Extreme step.

Extreme+: Swordfish, Jellyfish, (but mostly) Chain

Marty R.

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

Posted: Sun Jan 18, 2009 4:49 am Post subject:

Another one of those "bend but don't break." Few ERs, XYZ-Wing, couple of W-Wings and an XY-Wing with two pincer transports.

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Sun Jan 18, 2009 9:13 am Post subject:

Code:

.---------------------.---------------------.---------------------.
| 2 9 1 | 67 4 8 | 5 67 3 |
| 6 4 7 | 3 5 2 | 1 9 8 |
| 8 5 3 | 679 679 1 | 67 4 2 |
:---------------------+---------------------+---------------------:
| 7 8 49 | 2 19 6 | 3 5 14 |
| 5 2 49 | 1789 3 79 | 4678 1678 1467 |
| 3 1 6 | 4 78 5 | 78 2 9 |
:---------------------+---------------------+---------------------:
| 19 3 8 | 5 12679 79 | 24679 167 1467 |
| 19 7 5 | 1689 12689 4 | 2689 3 16 |
| 4 6 2 | 1789 1789 3 | 789 178 5 |
'---------------------'---------------------'---------------------'

Quote:

x-wing 7
some basics...
(8=7)r9c8 - (7)r9c45 = (7)r7c6 - (7)r5c6 = (7-8)r6c5 = (8)r6c7; r78c7 and r5c8 <> 8
this is basically a 6 link m-wing with a group link thrown in there.

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