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Puzzle 10/09/02: A

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Thu Sep 02, 2010 3:33 am    Post subject: Puzzle 10/09/02: A Reply with quote
Code:
 +-----------------------+
 | 6 7 . | . . . | . . . |
 | . 4 . | . 3 . | . . . |
 | . . 8 | . 4 . | . . 7 |
 |-------+-------+-------|
 | 9 . . | . 1 6 | 2 . 5 |
 | . . 2 | 8 . . | 4 . . |
 | . . . | . 9 . | . . 1 |
 |-------+-------+-------|
 | . . . | 1 8 . | 6 . . |
 | . . . | . . . | . 2 8 |
 | . 6 . | 3 . 4 | . 1 . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
PostPosted: Thu Sep 02, 2010 11:44 am    Post subject: Reply with quote
Quote:
X Wing (3)C39/r17 : => r17c1278<>3
XYZ Wing (48-3), pivot at R1C8 : => r3c8<>3
Type 1 UR(19)R12C37 : => r1c3<>19=3
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Sep 02, 2010 7:26 pm    Post subject: Reply with quote
Great puzzle Danny Exclamation I found several ADP moves that were fun but were very unproductive. Only two moves were needed for me to complete that puzzle.

Quote:
AUR(19)r12c37 External SIS: 1c7=>r3c7=1, 9b1=>r3c2=9, 9c7=>r3c7=9; r3c4<>9=6
(1)r3c7-(1=9)r3c6;
||
(9)r3c2;
||
(9)r3c7;

w-wing 35 r3c8 & r8c7 SL (3)r17c9; r3c7,r7c8<>5

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri Sep 03, 2010 1:11 am    Post subject: Reply with quote
Quote:
I found several ADP moves that were fun but were very unproductive.

I don't find that much fun in the unproductive ones. Laughing

I also don't know what my path might have been had I noticed the X-Wing earlier.

Type 4 UR (34)
XY-Wing (483) + pincer transport
X-Wing (3)
Type 1 UR (19)
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