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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Jan 14, 2009 9:46 pm Post subject: Set H Puzzle 79 -- multi-step VH |
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| Code: | +-----------------------+
| . . . | . 1 2 | . . 4 |
| . . . | 7 . 8 | . . 3 |
| . . . | . 4 . | 7 8 . |
|-------+-------+-------|
| . 4 . | 2 7 . | . . . |
| 6 . 2 | 4 . 1 | . . . |
| 8 9 . | . 5 . | . 7 . |
|-------+-------+-------|
| . . 5 | . . . | 3 . . |
| . . 7 | . . 6 | . 5 . |
| 3 8 . | . . . | . . . |
+-----------------------+
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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 |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Jan 17, 2009 10:32 pm Post subject: |
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| I found this one pretty stubborn. W-Wing, XY-Chain, same W-Wing with pincer transport, then nothing I could see in my arsenal, so I finished it with a BUG+3. |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Jan 18, 2009 2:57 am Post subject: |
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xy-wing removes some 1's in r23
xy-wing removes 2 in r8c7
w-wing {2,9} |
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