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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sat Oct 24, 2009 5:20 pm Post subject: Set XY_03 Puzzle 046 |
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| Code: | XY puzzles can be solved using these techniques:
Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidates 1/2
Basics+: Naked Quad, Hidden Pair/Triple/Quad
VH: BUG+1, UR Type 1, X-Wing, XY-Wing
VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper,
XYZ-Wing, finned X-Wing, UR Type 2/4
XY: gM-Wing, W-Wing, XY-Chain, BUG+2, BUG+3, other URs
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| Code: | +-----------------------+
| 7 . . | . . 9 | 5 . . |
| . 4 5 | . . 7 | . . 9 |
| . 9 1 | . . . | . . 8 |
|-------+-------+-------|
| . . . | . . 5 | . . . |
| . . . | . 7 . | . 4 . |
| 6 5 . | 9 . 8 | . 1 3 |
|-------+-------+-------|
| 1 . . | . . . | . . 7 |
| . . . | . 8 4 | . 5 . |
| . 7 4 | . . 1 | 3 . 6 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sat Oct 24, 2009 11:24 pm Post subject: |
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kite 6 and xy-wing 236, get it to here...
ALS[(8)r2c1 = (9)r8c1]r238c1 - (9)r8c7 = (9)r7c8 - (9=6)r4c8 - (6=8)r5c7; r5c1 <> 8 |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Tue Oct 27, 2009 3:07 pm Post subject: |
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..... and a longer solution is:
xy-wing 2-36 with vertex 26 inr3c7,
xy-wing 6-89 with vertex 69 in r4c8 and pseudocell 89 in row7, plus a pincer transport,
ER 6 with hinge in box3,
xy-wing 1-38 with vertex 18 in r1c4 and extended pincer 13,
xy-wing 2-89 with vertex 29 in r7c8 and extended pincer 89.
Ted |
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