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Puzzle 10/04/14 (A)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Wed Apr 14, 2010 9:16 pm    Post subject: Puzzle 10/04/14 (A) Reply with quote

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

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: Thu Apr 15, 2010 2:49 am    Post subject: Reply with quote

I purposely choose not to use the type 1 UR89 but then found a two stepper.

Quote:
xyz-wing 356 in r8c3 deletes 5 in r8c1, and opened up an
AIC formed by extending the vertex of a potential xy-wing -567: (5=6)r8c6 - (6=7)r8c1 - r3c1 = r1c2 - (7=5)r1c5; r23c6|r7c5<>5.

Ted
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Mogulmeister



Joined: 03 May 2007
Posts: 1151

PostPosted: Thu Apr 15, 2010 3:51 am    Post subject: Reply with quote

Quote:
X-Wing on 7s followed by <568> XY-Wing
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Thu Apr 15, 2010 1:02 pm    Post subject: Reply with quote

All you need is the
Quote:
xy-wing 568
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Thu Apr 15, 2010 11:05 pm    Post subject: Reply with quote

Type 1 UR (89)
XYZ-Wing (356)
XY-Wing (567)
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