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Dec 19 VH

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Clement

Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

Posted: Wed Dec 18, 2013 10:29 pm Post subject: Dec 19 VH

Code:

+-------------+---------+-------------+
| 49 49 5 | 2 6 7 | 1 8 3 |
| *36 7-3 367 | 8 1 4 | 9 2 5 |
| 2 8 1 | 3 9 5 | 6 4 7 |
+-------------+---------+-------------+
| 34 1 37 | 79 45 6 | 8 359 2 |
| 8 467 2 | 79 45 3 | 47 569 1 |
| 5 3467 9 | 1 2 8 | 347 36 46 |
+-------------+---------+-------------+
| 1 5 4 | 6 3 9 | 2 7 8 |
| #69 2 8 | 5 7 1 | 34 36 469 |
| 7 *39 36 | 4 8 2 | 5 1 69 |
+-------------+---------+-------------+

XY-Wing 36-69-39 pivoted in r8c1; r2c2<>3; stte.

hughwill

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

Posted: Wed Dec 18, 2013 11:44 pm Post subject: Dec 19 VH

After (inadequate!) basics:

Code:

+-------------+---------+-------------+
| 49 49 5 | 2 6 7 | 1 8 3 |
| 36 37 367 | 8 1 4 | 9 2 5 |
| 2 8 1 | 3 9 5 | 6 4 7 |
+-------------+---------+-------------+
| 34 1 37 | 79 45 6 | 8 359 2 |
| 8 467 2 | 79 45 3 | 47 569 1 |
| 5 3467 9 | 1 2 8 | 347 36 46 |
+-------------+---------+-------------+
| 1 5 4 | 6 3 9 | 2 7 8 |
| 69 2 8 | 5 7 1 | 34 369 469 |
| 7 39 36 | 4 8 2 | 5 1 69 |
+-------------+---------+-------------+

Play this puzzle online at the Daily Sudoku site

And the same result from a 37 W Wing in c23.

(This reply feels a bit like deja vu!)

Last edited by hughwill on Thu Dec 19, 2013 5:09 pm; edited 1 time in total

Rocky Mozell

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

Posted: Thu Dec 19, 2013 4:02 pm Post subject:

Code:

+-----------+---------+------------+
| 49 49 5 | 2 6 7 | 1 8 3 |
| 36 37 367 | 8 1 4 | 9 2 5 |
| 2 8 1 | 3 9 5 | 6 4 7 |
+-----------+---------+------------+
| 34 1 37 | 79 45 6 | 8 59 2 |
| 8 6 2 | 79 45 3 | 47 59 1 |
| 5 47 9 | 1 2 8 | 347 36 46 |
+-----------+---------+------------+
| 1 5 4 | 6 3 9 | 2 7 8 |
| 69 2 8 | 5 7 1 | 34 36 469 |
| 7 39 36 | 4 8 2 | 5 1 69 |
+-----------+---------+------------+

This is what I had after basics. I used the 347 xy wing to eliminate the 3 in r2c1.

Marty R.

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

Posted: Thu Dec 19, 2013 4:09 pm Post subject:

I had the same basics as Rocky and used the same XY-Wing.

hughwill

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

Posted: Thu Dec 19, 2013 5:10 pm Post subject:

I have amended my contribution to indicate my slapdash basics.........

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