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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Mar 18, 2009 9:27 pm Post subject: Set VH_2 Puzzle 93 |
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VH (including XYZ-Wing) (last in this set)
| Code: | +-----------------------+
| 9 1 . | . . . | . . 7 |
| 6 3 4 | . 2 . | . 5 . |
| . 5 2 | . . . | . . . |
|-------+-------+-------|
| . . . | . . 6 | 5 . . |
| . 6 . | . 8 1 | . 7 2 |
| . . . | 2 5 9 | 6 . . |
|-------+-------+-------|
| . . . | 1 . 5 | 3 . . |
| . 2 . | . 7 . | . 1 . |
| 1 . . | . 3 . | . . 5 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Apr 02, 2009 12:52 am Post subject: |
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I used two ERs and an X-Wing before turning to my Medusa crutch. After that, an XY-Wing Chain (48-89-89-89-49) finished it off.
Danny, as to your comment in the other thread about my perseverance, yes I do persevere, I can't stand to leave a puzzle unsolved, even if it means brute force trial-and-error. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Apr 02, 2009 2:41 pm Post subject: |
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I found a three step solution without a xyz-wing.
x-wing <8> r38c67,
w-wing <49> r3c4 & r5c7 with strong ling <9> col8,
kite <4> with pivot in box9.
Ted |
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