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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Sat Oct 04, 2008 4:18 pm Post subject: LA Times / Free Press - 10 Oct 2008 |
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Not yet done: | Code: | Puzzle: FP100308
+-------+-------+-------+
| . . 4 | . . 5 | 8 . . |
| 6 . . | 9 . . | . . 5 |
| . . . | . . . | 3 . . |
+-------+-------+-------+
| . . . | . 7 . | . 6 . |
| 8 . 6 | . . . | 4 . . |
| . 9 . | . 1 . | . . . |
+-------+-------+-------+
| 3 . 9 | . . . | . 7 . |
| 2 . . | . . 8 | . . 9 |
| . 7 8 | 2 . . | 6 . . |
+-------+-------+-------+ |
Keith |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Oct 04, 2008 4:46 pm Post subject: |
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what would we do without URs? the 46 UR type 1 seems to be essential.
And - what would we do without a time machine? I remember the times when it was impossible to see into the future and solve puzzles one week in advance   |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Oct 04, 2008 7:25 pm Post subject: |
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A kite (4), formed by row 2 and col 9, removes 4 from r9c5.
Bit of cleanup, then:
| Code: |
+--------------------------+--------------------------+--------------------------+
| 7 123 4 | 136 236 5 | 8 9 126 |
| 6 8 123 | 9 234 123 | 7 124 5 |
| 9 5 12 | 146 8 7 | 3 124 126 |
+--------------------------+--------------------------+--------------------------+
| 5 123 123 | 8 7 4 | 9 6 123 |
| 8 123 6 | 35 2359 239 | 4 12 7 |
| 4 9 7 | 36 1 236 | 5 8 23 |
+--------------------------+--------------------------+--------------------------+
| 3 46 9 | 1456 456 16 | 2 7 8 |
| 2 46 5 | 7 46 8 | 1 3 9 |
| 1 7 8 | 2 39 39 | 6 5 4 |
+--------------------------+--------------------------+--------------------------+ |
The UR 46 r78c25 is obvious. With r7c5=5, things move on. But is there an alternative path? |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Sat Oct 04, 2008 7:41 pm Post subject: |
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That's more my cup of tea - an ER here - a UR there - nothing too fancy.
BTW, who won the Canadian election? It was on the 9th Oct. |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Oct 04, 2008 7:50 pm Post subject: |
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With r5c5<>5 (as a result of the 46 UR), there is another UR (of the rare type 2):
UR 39 in r59c56,
and 2 is eliminated from r5c2,r5c8,r6c6 (in order to avoid the deadly pattern, either r5c5 or r5c6 must be 2) and the puzzle is solved... |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Oct 04, 2008 7:52 pm Post subject: |
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| cgordon wrote: | | BTW, who won the Canadian election? It was on the 9th Oct. |
Pierre Trudeau?
Oh, no!! That was 1968, not 2008. Freaking time machine going into reverse now ... |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Sat Oct 04, 2008 8:12 pm Post subject: |
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| Quote: | | there is another UR (of the rare type 2): |
Yes: I found that type 2 too - and I think it was a first. There was also an ER on 4.
Watch that time machine - remember what the Morlocks did (will do) to the Eloi! |
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sat Oct 04, 2008 8:24 pm Post subject: |
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| Yea, right. But what's a Time Machine, really?... nothing compared to that Seventh Voyage of pilot Tichy! |
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