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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Sat Oct 18, 2008 12:12 pm Post subject: Oct 18 DB |
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The October 18 DB presents a couple of x-wings. You need only one of them.
Earl
| Code: |
+-------+-------+-------+
| 1 . . | 2 . . | 7 . . |
| . 7 4 | . 5 . | . . . |
| . 5 . | . 1 . | . 9 . |
+-------+-------+-------+
| . 2 . | . . 6 | 3 . . |
| . 8 . | . . . | . 1 . |
| . . 9 | 7 . . | . 8 . |
+-------+-------+-------+
| . 6 . | . 7 . | . 3 . |
| . . . | . 4 . | 9 5 . |
| . . 3 | . . 2 | . . 8 |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sat Oct 18, 2008 8:56 pm Post subject: |
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Yes, there are two X-wings, but only one of them solves the puzzle. (It is the one that makes eliminations in R19.)
Keith |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sun Oct 19, 2008 12:38 am Post subject: |
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Well, I immediately found and used three x-wings and then did a lot of basics to complete the puzzle. I did use the one the that makes eliminations in r19 so I guess the others were useless, but I enjoy a puzzle with multiple steps.
Ted |
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