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October 25 VH

 
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Marty R.



Joined: 12 Feb 2006
Posts: 5123
Location: Rochester, NY, USA

PostPosted: Tue Oct 25, 2011 1:22 am    Post subject: October 25 VH Reply with quote

Where is Clement to start things off? Laughing I needed two X-Wings, one on 8 in c36 and the other on 6 in r24.
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Clement



Joined: 24 Apr 2006
Posts: 657
Location: Dar es Salaam Tanzania

PostPosted: Tue Oct 25, 2011 5:55 am    Post subject: Oct 25 VH Reply with quote

Yes, I was lost on the way.
I used the x-wing on 8 mentioned by Marty and the Type 4 UR 13; r7c46<>1 which opened an XY-Wing 13 36 16 pivoted in r7c4; r5c6<>1.
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Pat



Joined: 23 Feb 2010
Posts: 165

PostPosted: Tue Oct 25, 2011 12:00 pm    Post subject: Reply with quote

Marty R. wrote:

Daily Sudoku wrote:

        2011.Oct.25 VH
Code:
+-------+-------+-------+
| . . 6 | 7 . 5 | . . . |
| . 4 3 | . . 2 | . 7 . |
| . . . | . 3 . | 6 . . |
+-------+-------+-------+
| 2 . 1 | . . 4 | . 5 . |
| . . 4 | . 5 . | 9 . . |
| . 3 . | 2 . . | 4 . 1 |
+-------+-------+-------+
| . . 9 | . 8 . | . . . |
| . 8 . | 4 . . | 7 3 . |
| . . . | 5 . 9 | 8 . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site


I needed two X-Wings,
one on 8 in c36
and the other on 6 in r24.

nice puzzle,
but X-wing 8 is the only VH move needed.
( everything else is duos + box-line interactions. )
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Marty R.



Joined: 12 Feb 2006
Posts: 5123
Location: Rochester, NY, USA

PostPosted: Tue Oct 25, 2011 11:26 pm    Post subject: Reply with quote

Quote:
but X-wing 8 is the only VH move needed.

Pat,

Help me out. Doing it again on Draw/Play I'm stuck here after the X-Wing on 8. What am I not seeing?

Code:

+--------------+----------------+--------------+
| 189 129  6   | 7    4    5    | 12  1289 3   |
| 189 4    3   | 1689 169  2    | 15  7    58  |
| 179 5    278 | 19   3    18   | 6   1249 24  |
+--------------+----------------+--------------+
| 2   79   1   | 689  679  4    | 3   5    78  |
| 678 67   4   | 13   5    13   | 9   28   278 |
| 579 3    578 | 2    79   78   | 4   6    1   |
+--------------+----------------+--------------+
| 4   1267 9   | 136  8    1367 | 125 12   256 |
| 156 8    25  | 4    126  16   | 7   3    9   |
| 3   1267 27  | 5    1267 9    | 8   124  246 |
+--------------+----------------+--------------+

Play this puzzle online at the Daily Sudoku site
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keith



Joined: 19 Sep 2005
Posts: 3150
Location: near Detroit, Michigan, USA

PostPosted: Wed Oct 26, 2011 1:23 am    Post subject: Reply with quote

Marty R. wrote:
Quote:
but X-wing 8 is the only VH move needed.

Pat,

Help me out. Doing it again on Draw/Play I'm stuck here after the X-Wing on 8. What am I not seeing?

Code:

+--------------+----------------+--------------+
| 189 129  6   | 7    4    5    | 12  1289 3   |
| 189 4    3   | 1689 169  2    | 15  7    58  |
| 179 5    278 | 19   3    18   | 6   1249 24  |
+--------------+----------------+--------------+
| 2   79   1   | 689  679  4    | 3   5    78  |
| 678 67   4   | 13   5    13   | 9   28   278 |
| 579 3    578 | 2    79   78   | 4   6    1   |
+--------------+----------------+--------------+
| 4   1267 9   | 136  8    1367 | 125 12   256 |
| 156 8    25  | 4    126  16   | 7   3    9   |
| 3   1267 27  | 5    1267 9    | 8   124  246 |
+--------------+----------------+--------------+

Play this puzzle online at the Daily Sudoku site

Look at 6 in C6B8.

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5123
Location: Rochester, NY, USA

PostPosted: Wed Oct 26, 2011 3:49 am    Post subject: Reply with quote

Quote:
Look at 6 in C6B8.

Thanks. It's amazing how I can stare at a grid for long periods of time and not see something that ought to be seen.
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