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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Thu Mar 26, 2009 11:40 pm Post subject: Free Press Thursday March 26, 2009 |
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I pride myself on doing these without pencil marks. This one had me stumped for hours!
No advanced moves required.
| Code: | Puzzle: FP032609Thu
+-------+-------+-------+
| 8 . . | 4 . . | . . . |
| . . 9 | . . . | 6 1 . |
| . . 3 | . . 1 | 8 . 2 |
+-------+-------+-------+
| . 5 . | . . . | . . . |
| . . . | 2 5 8 | . . 3 |
| . . . | . . . | . 9 . |
+-------+-------+-------+
| 9 . 7 | 5 . . | 1 . . |
| . 6 1 | . . 4 | 9 . . |
| . . . | . . 3 | . . 6 |
+-------+-------+-------+ |
Keith |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Fri Mar 27, 2009 1:27 am Post subject: |
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| Code: | .---------------------.---------------------.---------------------.
| 8 1 256 | 4 267 2567 | 3 57 9 |
| 2457 247 9 | 378 2378 257 | 6 1 457 |
| 4567 47 3 | 679 679 1 | 8 457 2 |
:---------------------+---------------------+---------------------:
| 23467 5 2468 | 1367 13467 9 | 24 2468 148 |
| 1 9 46 | 2 5 8 | 47 467 3 |
| 23467 23478 2468 | 1367 13467 67 | 245 9 1458 |
:---------------------+---------------------+---------------------:
| 9 2348 7 | 5 268 26 | 1 2348 48 |
| 235 6 1 | 78 278 4 | 9 23578 578 |
| 245 248 2458 | 1789 12789 3 | 2457 24578 6 |
'---------------------'---------------------'---------------------' |
this is my first sticking point |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Mar 27, 2009 2:32 am Post subject: |
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Norm,
You're using pencil marks! This is where I got stuck, after recognizing two hidden pairs:
| Code: | .----------.-----------.----------.
| 8 1 . | 4 . . | 3 . 9 |
| . . 9 | 38 38 . | 6 1 . |
| . . 3 . . 1 | 8 . 2 |
:----------+-----------+----------:
| . 5 . | . . 9 | . . . |
| 1 9 . | 2 5 8 | . . 3 |
| . . . | . . . | . 9 . |
:----------+-----------+----------:
| 9 . 7 | 5 . . | 1 . . |
| . 6 1 | . . 4 | 9 . . |
| . . . | 19 19 3 | . . 6 |
'----------'-----------'----------' |
Now that I look at it, it seems so obvious!
Hint: | Quote: | | One of the values is solved in only one cell. That is the key! |
Keith
Last edited by keith on Fri Mar 27, 2009 2:54 am; edited 2 times in total |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Fri Mar 27, 2009 2:39 am Post subject: |
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| that's right, the 1's is what caught my attention |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Fri Mar 27, 2009 11:34 am Post subject: |
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Well posted!! I think some of these very hard "hards" are more enjoyable than those that require advanced techniques. Here I struggled to find the quads and hidden pairs - but I still understood what I was looking for. For the very hards I use xy wings and URs by rote - but I've long forgotten or even care how they work. They are just tricks.
That's my philosophical rant for the day. |
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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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| Posted: Fri Mar 27, 2009 2:40 pm Post subject: free |
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For me it was the 2678 quad in box 8.
Earl |
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