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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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 Posted: Sun Jul 06, 2008 8:38 pm Post subject: "Die Presse" July 5 |
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About the same difficulty as our "very hard"s here:
| Code: |
+-----------+-----------+-----------+
| . 6 . | . 3 . | . . 1 |
| 3 . 4 | . 9 . | . . 7 |
| . 1 . | . . 7 | 3 . . |
+-----------+-----------+-----------+
| . . . | 8 . . | . . . |
| 5 2 . | . . 6 | . 4 . |
| . . 6 | . 4 5 | . 9 . |
+-----------+-----------+-----------+
| . . 8 | . . . | . 7 . |
| . . . | . 6 4 | 1 . . |
| 4 3 . | . . . | . . . |
+-----------+-----------+-----------+
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play online
Source: Die Presse
Hint: When in doubt, try to find an xy-wing (58-28-25 in boxes 2 and 3 appears very early) |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sun Jul 06, 2008 9:11 pm Post subject: Re: "Die Presse" July 5 |
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| nataraj wrote: |
Hint: When in doubt, try to find an xy-wing (58-28-25 in boxes 2 and 3 appears very early) |
Well, I was not in doubt, but it took an x-wing on <2> and an XY-wing on <157> before I hit the jackpot as noted in your hint.
Ted |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sun Jul 06, 2008 10:08 pm Post subject: |
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| Ted, I can't blame you. I did a lot of coloring (2, 8 ) before I finally looked for and found the xy-wing. But I did the puzzle again and saw that the xy-wing was there very early, so ... |
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