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6 May Hard(?)

 
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hughwill



Joined: 05 Apr 2010
Posts: 408
Location: Birmingham UK

PostPosted: Sun May 06, 2018 10:17 am    Post subject: 6 May Hard(?) Reply with quote

Code:

+---------------+-------------+-------------+
| 67    8  67   | 5   39   2  | 4   1  39   |
| 25    25 9    | 47  346  1  | 36  8  367  |
| 1     3  4    | 79  8    69 | 5   29 2679 |
+---------------+-------------+-------------+
| 45678 9  678  | 1   4567 48 | 368 24 236  |
| 3     45 2    | 489 4569 69 | 7   49 1    |
| 4678  17 1678 | 2   4679 3  | 68  5  69   |
+---------------+-------------+-------------+
| 89    6  3    | 89  1    5  | 2   7  4    |
| 2478  17 178  | 3   24   48 | 9   6  5    |
| 249   24 5    | 6   249  7  | 1   3  8    |
+---------------+-------------+-------------+

Play this puzzle online at the Daily Sudoku site


Help! I can see the 39-6 XY-wing (pivot r1c9)that solves this but where is the
'basics' solution that grades it only as 'Hard' ?
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 290
Location: Rimini, Italy

PostPosted: Sun May 06, 2018 12:08 pm    Post subject: Reply with quote

Hi hugh,

if you look at Row 5, you can see that the number 8 is only in r5c4.
This brings you to the solution

Ciao Gianni
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hughwill



Joined: 05 Apr 2010
Posts: 408
Location: Birmingham UK

PostPosted: Mon May 07, 2018 7:41 am    Post subject: Reply with quote

ZeroAssoluto wrote:
Hi hugh,

if you look at Row 5, you can see that the number 8 is only in r5c4.
This brings you to the solution

Ciao Gianni


Grazie mille, Gianni
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