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Aug 26 Hard

 
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lala



Joined: 15 Aug 2014
Posts: 6
Location: United States
PostPosted: Wed Aug 27, 2014 1:48 am    Post subject: Aug 26 Hard Reply with quote
This one has me stumped. I got this far with basics and an x-wing on 9s:

Code:

+--------------+----------------+---------+
| 13   378 18  | 2    4789  89  | 6 34 5  |
| 23   9   26  | 46   5     1   | 8 34 7  |
| 67   4   5   | 3    78    68  | 2 9  1  |
+--------------+----------------+---------+
| 1234 23  7   | 1489 13489 289 | 5 28 6  |
| 234  236 269 | 5    348   7   | 1 28 49 |
| 8    5   129 | 146  14    26  | 3 7  49 |
+--------------+----------------+---------+
| 67   67  4   | 18   128   3   | 9 5  28 |
| 9    28  28  | 7    6     5   | 4 1  3  |
| 5    1   3   | 89   289   4   | 7 6  28 |
+--------------+----------------+---------+

Play this puzzle online at the Daily Sudoku site

Although I wouldn't expect them in a puzzle rated hard, I used a couple of more sophisticated eliminations (a UR and xyz-wing), which got me here:

Code:

+--------------+--------------+---------+
| 13   378 18  | 2  4789  89  | 6 34 5  |
| 23   9   26  | 46 5     1   | 8 34 7  |
| 67   4   5   | 3  78    68  | 2 9  1  |
+--------------+--------------+---------+
| 1234 23  7   | 19 13489 289 | 5 28 6  |
| 234  236 269 | 5  348   7   | 1 28 49 |
| 8    5   129 | 46 14    26  | 3 7  49 |
+--------------+--------------+---------+
| 67   67  4   | 18 12    3   | 9 5  28 |
| 9    28  28  | 7  6     5   | 4 1  3  |
| 5    1   3   | 89 29    4   | 7 6  28 |
+--------------+--------------+---------+


I can't see any other simple or not-so-simple eliminations. I'm afraid I'm going to end up a bit embarrassed when I find out, but what am I missing here? Confused
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Wed Aug 27, 2014 2:01 am    Post subject: Reply with quote
look at 8's in box 1
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lala



Joined: 15 Aug 2014
Posts: 6
Location: United States
PostPosted: Wed Aug 27, 2014 2:41 am    Post subject: Reply with quote
Thanks arkietech. Darn it, I knew I'd be embarrassed! Embarassed

Seems like sometimes the "basics" cause me more grief than the hard stuff.
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