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Puzzle 10/10/23: B XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Oct 23, 2010 5:33 am    Post subject: Puzzle 10/10/23: B XY Reply with quote
Code:
 +-----------------------+
 | . 1 . | 4 8 7 | 3 . . |
 | 5 . . | 1 . 6 | . 8 7 |
 | . . . | . . . | . . . |
 |-------+-------+-------|
 | 6 7 . | 8 . 4 | . 1 . |
 | 3 . . | . 1 . | . . . |
 | 1 8 . | 6 . . | . . . |
 |-------+-------+-------|
 | 7 . . | . . . | 9 . . |
 | . 3 . | 7 . . | . 4 . |
 | . 9 . | . . . | . . 8 |
 +-----------------------+

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 Oct 23, 2010 1:29 pm    Post subject: Reply with quote
Two steps..........

Quote:
(6=1)r8c7-(1=5)r8c9-(5=2)r1c9-(2=6)r1c3-r3c2=(6)r7c2; r7c8<>6
(3=5)r4c5-(5=6)r8c5-r8c7=r3c7-(6=9)r3c8-(9=3)r6c8; r4c9,r6c6<>3

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Oct 24, 2010 1:15 am    Post subject: Reply with quote
Four steps.

Skyscraper (6)
Type 2 UR (25-3)
W-Wing (25)
M-Wing (35)
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun Oct 24, 2010 1:58 am    Post subject: Reply with quote
Nice find Marty! I missed the fact that one "wing" exposed a second (game winning) "wing".
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