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Puzzle (#61) 11/12/28: One of Four

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Thu Dec 29, 2011 1:04 am    Post subject: Puzzle (#61) 11/12/28: One of Four Reply with quote
I have four puzzles that aren't as "Extreme" as the other puzzles in a set that I generated. I decided to share.

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

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Dec 29, 2011 5:53 am    Post subject: Reply with quote
Four steps for me.

W-Wing (37), SL 7 in r1; r2c9<>3
Coloring; r7c4<>6
X-Wing in c49; r5c8, r7c16<>4
XY-Wing (574), pivot r7c1, flightless with transport; r5c9, r7c4<>4
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Thu Dec 29, 2011 6:35 am    Post subject: Reply with quote
After a couple of skyscrapers I get to use one of the als chains I have been playing with. -- nice one Danny!
Code:
 *-----------*
 |.6.|.28|..5|
 |2.1|5..|8..|
 |.54|.9.|..2|
 |---+---+---|
 |.1.|7..|..8|
 |3.9|..1|6..|
 |6..|.89|...|
 |---+---+---|
 |.9.|.3.|1..|
 |...|...|...|
 |1.6|8..|..9|
 *-----------*
 skyscraper 3 => r4c3<>2
 skyscraper 6 => r7c4<>6

 *-----------------------------------------------------------*
 | 9     6     3     | 1     2     8     | 47    47    5     |
 | 2     7     1     | 5     4     3     | 8     9     6     |
 | 8     5     4     | 6     9     7     | 3     1     2     |
 |-------------------+-------------------+-------------------|
 | 45    1     5-2   | 7     6    a24    | 9     3     8     |
 | 3     8     9     |b24    5     1     | 6     247   47    |
 | 6     24    7     | 3     8     9     | 245   245   1     |
 |-------------------+-------------------+-------------------|
 |c457   9    d258   |c24    3     2456  | 1     68   c47    |
 | 457   24   d258   | 9     1     2456  | 2457  68    3     |
 | 1     3     6     | 8     7     245   | 245   245   9     |
 *-----------------------------------------------------------*
als chain
(2=4)r4c6-(4=2)r5c4-(2=457)r7c149-(5=28)r78c3 => r4c3<>2
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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
PostPosted: Thu Dec 29, 2011 11:46 am    Post subject: Reply with quote
#1. SS(3C39) : -3r1c78.r2c2; SS(6C49) : -6r2c5.r3c8
#2. 4r8c1=FXW(4C16)-4r7c4=4r5c4-(4=7)r5c9-7r7c9=7r8c7 : -7r8c1, -4r8c7;stte
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