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Jul 12 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
PostPosted: Sat Jul 11, 2020 10:07 pm    Post subject: Jul 12 VH Reply with quote
Code:

+---------------------+---------------------+----------------+
| 9       4       3   | 2       7        1  | 5     8      6 |
| 125     128     258 | 6       35       9  | 7     23     4 |
| 25      6       7   | 345     3458     58 | 9     23     1 |
+---------------------+---------------------+----------------+
| 5-3     7       1   | 35*     68       68 | 4     9      2 |
| 8       23      24  | 9       34       7  | 1     6      5 |
| 6       9       45  | 145     145      2  | 3     7      8 |
+---------------------+---------------------+----------------+
| 13*     138     89  |(15)     1569     56 | 2     4      7 |
| 7       12      29  | 8       19       4  | 6     5      3 |
| 4       5       6   | 7       2        3  | 8     1      9 |
+---------------------+---------------------+----------------+

XY-Wing 15-3 pivoted in r7c4 pincers in r4c4 andr7c1; r4c1 <> 3; stte
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dongrave



Joined: 06 Mar 2014
Posts: 572
PostPosted: Sun Jul 12, 2020 12:27 pm    Post subject: Reply with quote
The 2's can be removed from r2c23 of Clement's grid because 2's are LC in r23c1. There's also a 13-5 XY Wing with pivot at r7c1 (-5r4c4) and a 12-3 XY Wing with pivot at r8c2 (-3r4c1) which solve it.
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
PostPosted: Sun Jul 12, 2020 1:01 pm    Post subject: Reply with quote
Hi everyone,

XYZ-Wing 1,3,8 in r2c2,r7c12 and -1 in r8c2

Ciao Gianni
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