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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Jun 28, 2009 11:29 pm Post subject: Puzzle VH_050 |
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| Code: | +-----------------------+
| 9 7 5 | . . 1 | . 2 . |
| 2 . . | . . 7 | . . . |
| 4 . . | . 2 5 | 3 9 . |
|-------+-------+-------|
| . . . | 3 . . | . . . |
| . . 9 | . 1 . | . . 3 |
| 6 4 3 | . . 2 | 1 . . |
|-------+-------+-------|
| . . 6 | . . 4 | 7 3 . |
| 7 . 4 | . . . | 2 . . |
| . . . | . 6 . | . . 4 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
===== ===== ===== ===== ===== ===== ===== ===== ===== Ratings are Accumulative
Basics: Naked/Hidden Single/Pair/Triple/Quad, Locked Candidate (1/2)
VH: BUG+1, UR Type 1, X-Wing, XY-Wing
| Code: | c5b8 Locked Candidate 1 <> 5 [r4c5]
c4b2 Locked Candidate 1 <> 6 [r5c4]
r6 b6 Locked Candidate 2 <> 8 [r4c78],[r5c7]
c58 X-Wing <> 4 [r2c47],[r4c7]
r15 X-Wing <> 4 [r2c47],[r4c7]
c67 X-Wing <> 9 [r4c5],[r9c2]
XY-Wing [r5c4]/[r4c5]+[r5c1] <> 8 [r4c12],[r5c6]
r4 b4 Locked Pair <> 15 [r4c78]
XY-Wing [r5c7]/[r2c7]+[r4c8] <> 6 [r2c8],[r4c7]
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Last edited by daj95376 on Mon Jul 06, 2009 5:42 am; edited 1 time in total |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon Jun 29, 2009 10:31 pm Post subject: |
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My four steps were: | Quote: | z-wing 4 r15c47,
x-wing 9 r49c67,
xy-wing 458 with pivot 45 in r5c4
an extended xy-wing 568 best described as a chain (5=6)r2c7 - (6=8)r1c9 - (8)r1c7 = (8)r9c7 - (8)r9c6 = (8)r89c5 - (8=4)r4c5 - (4=5)r5c4 ; r5c7<>5
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Ted |
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