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Nov 10 VH

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yeoks

Joined: 16 May 2010
Posts: 33

Posted: Sun Nov 10, 2013 4:42 am Post subject: Nov 10 VH

After basics

Code:

+-------------+-----------+-----------+
| 467 16 146 | 69 5 679 | 3 2 8 |
| 256 26 9 | 1 3 8 | 56 7 4 |
| 567 3 8 | 4 2 67 | 56 9 1 |
+-------------+-----------+-----------+
| 3 19 5 | 8 7 14 | 249 6 29 |
| 8 7 16 | 2 69 14 | 49 5 3 |
| 69 4 2 | 5 69 3 | 1 8 7 |
+-------------+-----------+-----------+
| 469 5 46 | 7 1 2 | 8 3 69 |
| 1 269 3 | 69 8 5 | 7 4 269 |
| 269 8 7 | 3 4 69 | 29 1 5 |
+-------------+-----------+-----------+

Play this puzzle online at the Daily Sudoku site

XYZ Wing 469 pivoted in r7c1 => r9c1<>6 solves it.

hughwill

Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK

Posted: Sun Nov 10, 2013 9:59 am Post subject: Nov 10 VH

169 XY-wing pivot r4c2 works as well.

Marty R.

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

Posted: Sun Nov 10, 2013 4:22 pm Post subject: Re: Nov 10 VH

hughwill wrote:

169 XY-wing pivot r4c2 works as well.

Maybe I can make a fool of myself on consecutive puzzles, but I don't see how that wing solves it. As I see it, it removes 6 from r123c1. Then what?

keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Sun Nov 10, 2013 7:55 pm Post subject: Re: Nov 10 VH

Marty R. wrote:

hughwill wrote:

169 XY-wing pivot r4c2 works as well.

Maybe I can make a fool of myself on consecutive puzzles, but I don't see how that wing solves it. As I see it, it removes 6 from r123c1. Then what?

Then, you still need the XYZ-wing.

Keith

hughwill

Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK

Posted: Mon Nov 11, 2013 9:01 am Post subject: Nov 10 VH

Keith wrote:

Quote:

Marty R. wrote:

hughwill wrote:
169 XY-wing pivot r4c2 works as well.

Maybe I can make a fool of myself on consecutive puzzles, but I don't
see how that wing solves it. As I see it, it removes 6 from r123c1. Then
what?

Then, you still need the XYZ-wing.

Rocky Mozell

Joined: 28 Jul 2010
Posts: 34
Location: Boston, MA

Posted: Fri Nov 15, 2013 3:28 pm Post subject:

I just got to this one and found an xy wing with pivot at r4c6 that solves it.

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