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Puzzle 10/06/10: (C) Advanced

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Thu Jun 10, 2010 11:37 am    Post subject: Puzzle 10/06/10: (C) Advanced Reply with quote
Code:
 +-----------------------+
 | 1 . . | . 6 . | . 5 4 |
 | . . 5 | 7 . . | . . . |
 | . 8 . | 4 . . | 9 6 . |
 |-------+-------+-------|
 | . 1 3 | 5 8 . | . . . |
 | 9 . . | 6 . 1 | . . . |
 | . . . | . 4 . | . 9 . |
 |-------+-------+-------|
 | . . 1 | . . . | 4 . . |
 | 4 . 9 | . . 6 | . 3 5 |
 | 8 . . | . . . | . 1 . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 after basics
 +--------------------------------------------------------------+
 |  1     9     27    |  8     6     23    |  237   5     4     |
 |  6     4     5     |  7     9     23    |  123   28    138   |
 |  3     8     27    |  4     1     5     |  9     6     27    |
 |--------------------+--------------------+--------------------|
 |  27    1     3     |  5     8     9     |  6     4     27    |
 |  9     257   4     |  6     23    1     |  2357  278   38    |
 |  25    6     8     |  23    4     7     |  1235  9     13    |
 |--------------------+--------------------+--------------------|
 |  257   2357  1     |  9     2357  8     |  4     27    6     |
 |  4     27    9     |  1     27    6     |  8     3     5     |
 |  8     2357  6     |  23    2357  4     |  27    1     9     |
 +--------------------------------------------------------------+
 # 48 eliminations remain
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Jun 10, 2010 3:48 pm    Post subject: Reply with quote
Three steps ending with a chain since I could not find any alternative; the chain was not much fun for me.............

Quote:
Flightless w-wing 27 in r3c3 & r4c1 SL2 r34c9 plus transport: (7)r3c3 - r1c3 = r1c7 - r9c7 = (7)r7c8; r7c1<>7
x-wing 2 r58c25
(7-2)r8c2 = (2-5)r5c2 = (5-7)r5c7 = (7-2)r9c7 = r9c4 - (2=7)r8c5; r8c2<>7

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Thu Jun 10, 2010 5:49 pm    Post subject: Reply with quote
A one stepper - Ted, your comment on "almost remote pair" in a previous puzzle prompted my investigations!

Quote:
almost remote pair(27) (27)r4c1, (27)r4c9, (27 fin 8)r5c8, (27)r7c8; r7c1<>27
(8)r5c8-(8=2)r2c8-(2=7)r7c8; r7c1<>7
(8)r5c8-(8=3)r5c9-(3=2)r7c5-(2=7)r8c5-(7=2)r8c2; r7c1<>2
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Jun 10, 2010 6:47 pm    Post subject: Reply with quote
peterj wrote:
A one stepper - Ted, your comment on "almost remote pair" in a previous puzzle prompted my investigations!

Quote:
almost remote pair(27) (27)r4c1, (27)r4c9, (27 fin 8)r5c8, (27)r7c8; r7c1<>27
(8)r5c8-(8=2)r2c8-(2=7)r7c8; r7c1<>7
(8)r5c8-(8=3)r5c9-(3=2)r7c5-(2=7)r8c5-(7=2)r8c2; r7c1<>2


FANTASTIC Exclamation Exclamation Exclamation

Ted
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Thu Jun 10, 2010 10:47 pm    Post subject: Reply with quote
This puzzle should be rated: XY !!!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Jun 12, 2010 3:44 pm    Post subject: Reply with quote
Kite (7)
Type 1 UR (23)
X-Wing (2)
XY-Chain (short)
XY-Chain (long)
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