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Jul 26 H actually VH (?)

 
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dpm



Joined: 19 Sep 2007
Posts: 10

PostPosted: Wed Jul 27, 2016 6:30 pm    Post subject: Jul 26 H actually VH (?) Reply with quote

I cannot find any way to solve the Jul 26 Hard puzzle without using advanced (VH) techniques. Basic elimination gets me to here:

Code:

+--------------+-------------+------------+
| 6   3   59   | 479 1   8   | 25 79  249 |
| 79  1   2    | 479 3   5   | 8  6   49  |
| 579 8   4    | 2   79  6   | 15 179 3   |
+--------------+-------------+------------+
| 2   7   3    | 5   8   9   | 6  4   1   |
| 59  4   569  | 17  267 127 | 3  8   57  |
| 1   56  8    | 3   467 47  | 9  2   57  |
+--------------+-------------+------------+
| 8   25  157  | 6   27  3   | 4  19  29  |
| 3   29  19   | 8   249 124 | 7  5   6   |
| 4   269 1679 | 179 5   127 | 12 3   8   |
+--------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

Again, I can solve this using advanced techniques, but that would make this a VH puzzle.
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dongrave



Joined: 06 Mar 2014
Posts: 568

PostPosted: Wed Jul 27, 2016 10:24 pm    Post subject: Reply with quote

No, that's not right! I solved it with basics.

Oh, I see what you're missing.

Solution:
Quote:
You've got locked 9's in column 2 of box 7.
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dpm



Joined: 19 Sep 2007
Posts: 10

PostPosted: Wed Jul 27, 2016 10:36 pm    Post subject: Reply with quote

dongrave wrote:
No, that's not right! I solved it with basics.

Oh, I see what you're missing.

Solution:
Quote:
You've got locked 9's in column 2 of box 7.


Ah, so simple! Thanks, it was driving me crazy.
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