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Aug 09 VH

 
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dongrave



Joined: 06 Mar 2014
Posts: 363

PostPosted: Sun Aug 09, 2020 11:27 am    Post subject: Aug 09 VH Reply with quote

Code:

+-------------+---------------+-------------+
| 5   7   8   | 19  169  3    | 469 149 2   |
| 1   2   3   | 789 4    678  | 689 5   67  |
| 9   6   4   | 5   178  2    | 3   18  17  |
+-------------+---------------+-------------+
| 4   1   27  | 3   278  78   | 5   6   9   |
| 3   9   5   | 4   16   16   | 2   7   8   |
| 6   8   27  | 79  2579 57   | 1   3   4   |
+-------------+---------------+-------------+
| 7   5   16  | 2   18   9    | 468 148 3   |
| 2   4   16  | 178 3    1578 | 689 189 156 |
| 8   3   9   | 6   15   4    | 7   2   15  |
+-------------+---------------+-------------+

I used the 169 XYZ Wing with pivot at r1c5 (-1r3c5) followed by the 678 XYZ Wing with pivot at r2c6 (-7r2c4) followed by the 89-7 XY Wing with pivot at r2c4 (-7r46c5) to solve it.

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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 518
Location: Rimini, Italy

PostPosted: Sun Aug 09, 2020 1:07 pm    Post subject: Reply with quote

Hi everyone,

UR 2,7 in r46c35 and -7 in r46c5

Ciao Gianni
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immpy



Joined: 06 May 2017
Posts: 312

PostPosted: Mon Aug 10, 2020 8:50 pm    Post subject: Reply with quote

Yes, very nice, Gianni. That's a Type 4 UR (Uniqueness Test).

cheers...immp
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