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Puzzle 10/06/24: (B) XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Thu Jun 24, 2010 6:44 pm    Post subject: Puzzle 10/06/24: (B) XY Reply with quote
Code:
 +-----------------------+
 | . 7 . | . . 1 | . . 3 |
 | 2 3 . | . 9 7 | . 8 . |
 | . . 8 | 4 . . | . . . |
 |-------+-------+-------|
 | . . 4 | . 1 . | . . . |
 | . 1 . | 8 7 . | . 5 . |
 | 5 2 . | . . 4 | . 3 . |
 |-------+-------+-------|
 | . . . | . . . | 5 . . |
 | . 4 . | . 3 8 | . 1 . |
 | 9 . . | . . . | . . . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 after basics
 +-----------------------------------------------------------------------+
 |  4      7      569    |  256    8      1      |  269    269    3      |
 |  2      3      156    |  56     9      7      |  146    8      456    |
 |  16     569    8      |  4      25     3      |  12679  2679   25679  |
 |-----------------------+-----------------------+-----------------------|
 |  68     689    4      |  3      1      5      |  2679   2679   2679   |
 |  36     1      369    |  8      7      2      |  469    5      469    |
 |  5      2      7      |  9      6      4      |  8      3      1      |
 |-----------------------+-----------------------+-----------------------|
 |  13678  68     1236   |  127    24     9      |  5      2467   2678   |
 |  67     4      256    |  257    3      8      |  2679   1      2679   |
 |  9      58     125    |  1257   245    6      |  3      247    278    |
 +-----------------------------------------------------------------------+
 # 89 eliminations remain
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Fri Jun 25, 2010 3:54 pm    Post subject: Reply with quote
Four steps..........

Quote:
1. x-wing 5 r18c34; r29c34<>5
2. x-wing 2 r18c47; r1c8,r8c9<>2
3. w-wing 6 r1c8 & r8c9 GSL r158c7; r3c9<>9
4.(8=7)r9c9-(7=2)r3c9-(2=5)r3c5-(5=9)r3c2-(9=6)r4c2-(6=8)r7c2; r9c2<>8

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Jun 26, 2010 6:12 pm    Post subject: Reply with quote
Nine steps.
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat Jun 26, 2010 6:53 pm    Post subject: Reply with quote
Basically the same as Ted till the end.. five wings

x-wing(5)
x-wing(2)
w-wing(69) r8c7<>9, r4c9<>9
w-wing(96) r1c7<>6, r4c8<>6
xy-wing(69-2) r3c9<>2
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