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Puzzle 10/06/29: VH

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Tue Jun 29, 2010 5:57 am    Post subject: Puzzle 10/06/29: VH Reply with quote

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

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: Tue Jun 29, 2010 4:16 pm    Post subject: Reply with quote

A big five stepper with one move that may not be a VH..........

Quote:
x-wing 1 r59c68
x-wing 3 r47c68
Swordfish 7 r247c589
coloring 8
xy-wing 1-69

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK

PostPosted: Tue Jun 29, 2010 10:23 pm    Post subject: Reply with quote

Lots of possible moves - interesting opening play but still three steps (and not VH moves!)
Quote:
wxyz-wing(568-7) r6c9; r4c9<>7
xy-cycle (7=5)r6c7-(5=7)r8c7-(7=2)r8c4-(2=7)r6c4; lots of 7's (OK it's an x-wing!)
xy-chain (1=9)r8c5-(9=7)r7c5-(7=8)r7c9-(8=1)r4c9; r4c5<>1
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Wed Jun 30, 2010 1:29 am    Post subject: Reply with quote

This puzzle is a good example of when my rating could be helpful.

X-Wings <1,3,7>,

ignore Kite <8> and useless XY-Wing it would have exposed,

and finish with <19+6> XY-Wing r8c5/r8c8+r9c6.
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Marty R.



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

PostPosted: Wed Jun 30, 2010 4:27 am    Post subject: Reply with quote

I used the three X-Wings but finished with a 169 XYZ-Wing, not XY.
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