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Sept 13 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Sep 13, 2008 12:54 pm    Post subject: Sept 13 DB Reply with quote
The Sept 13 DB has many paths. Here is one: x-wing (9), w-wing (35), skyscraper (5). Any single shots out there?


Earl


Code:

+-------+-------+-------+
| . . 6 | . . . | . . 2 |
| 5 . . | . 7 2 | 9 8 4 |
| . . . | 1 . . | . . . |
+-------+-------+-------+
| . . 5 | . 2 . | 3 . . |
| 4 8 . | . . . | . 2 1 |
| . . 2 | . 9 . | 8 . . |
+-------+-------+-------+
| . . . | . . 6 | . . . |
| 6 2 1 | 7 5 . | . . 3 |
| 8 . . | . . . | 1 . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sat Sep 13, 2008 1:43 pm    Post subject: Reply with quote
My first pass was also a three-stepper:

a finned x-wing (or kite) on <5>
the x-wing on <9>
and a <357> xy-wing finished it for me.

Ted
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat Sep 13, 2008 3:41 pm    Post subject: Reply with quote
After basics:
Code:
+----------------+----------------+----------------+
| 79   4    6    | 359  8    359  | 57   1    2    |
| 5    1    3    | 6    7    2    | 9    8    4    |
| 2    79   8    | 1    4    59   | 6    3    57   |
+----------------+----------------+----------------+
| 17   67   5    | 8    2    147  | 3    467  9    |
| 4    8    9    | 35   6    357  | 57   2    1    |
| 137  367  2    | 45   9    1457 | 8    4567 567  |
+----------------+----------------+----------------+
| 39   359  47   | 49   1    6    | 2    57   8    |
| 6    2    1    | 7    5    8    | 4    9    3    |
| 8    59   47   | 2    3    49   | 1    567  567  |
+----------------+----------------+----------------+
The X-wing on <9> reveals a W-wing <35> that reveals a classic remote pair <57> that solves it.

Is a remote pair an "advanced" move? Can I at least claim a 2.5 stepper?

Keith
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sun Sep 14, 2008 12:33 am    Post subject: Reply with quote
keith wrote:


Is a remote pair an "advanced" move? Can I at least claim a 2.5 stepper?

Keith


If it is not in my definition of "basics", I call it a "stepper".

Ted
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sun Sep 14, 2008 1:14 am    Post subject: Reply with quote
tlanglet wrote:
keith wrote:


Is a remote pair an "advanced" move? Can I at least claim a 2.5 stepper?

Keith


If it is not in my definition of "basics", I call it a "stepper".

Ted
Dang!!
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