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Unique subset (uniqueness test 3) with naked triple example

 
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unkx80
Hooked
Hooked


Joined: 26 Aug 2006
Posts: 33
Location: Singapore

PostPosted: Sat Oct 07, 2006 8:53 am    Post subject: Unique subset (uniqueness test 3) with naked triple example Reply with quote

In the solving guide, you said that:

Quote:
It is also possible to form a naked triple with the surplus digits and 2 extra cells. Currently, I have no example available.


I have an example that I use to test my own solver, but I forgot what is the starting position or where I took it from:

Code:
.---------------.---------------.---------------.
| 67   8    67  | 5    29   1   | 249 *49   3   |
| 2    5    9   | 3    7    4   | 8    6    1   |
| 3    4    1   | 6    289  28  | 5   *79   279 |
:---------------+---------------+---------------:
| 8    1    457 | 9    6   *35  | 24  *3457 2457|
| 679  679  2   | 8    4   *35  | 1   *3579 579 |
| 49   3    45  | 2    1    7   | 6    8    459 |
:---------------+---------------+---------------:
| 479  79   8   | 1    35   6   | 349  2    459 |
| 1    29   3   | 4    258  28  | 7   #59   6   |
| 5    26   46  | 7    23   9   | 34   1    8   |
'---------------'---------------'---------------'


As a result, 9 is eliminated from r8c8.

SudoCue found another equally valid elimination using uniqueness test 4.
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Ruud
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Joined: 30 Dec 2005
Posts: 601

PostPosted: Sat Oct 07, 2006 9:31 am    Post subject: Reply with quote

Thanks a lot. I will add this example to the guide until I found one in my own collection.

Ruud
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