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May 29 VH

 
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dongrave



Joined: 06 Mar 2014
Posts: 568

PostPosted: Fri May 29, 2020 12:24 pm    Post subject: May 29 VH Reply with quote

Code:

+-------------+-------------+-----------+
| 139  5  369 | 389  2 7    | 19  4  68 |
| 8    17 79  | 59   4 6    | 3   2  15 |
| 2    4  369 | 3589 1 3589 | 7   59 68 |
+-------------+-------------+-----------+
| 45   3  1   | 6    7 45   | 2   8  9  |
| 47   8  27  | 29   3 49   | 15  6  15 |
| 6    9  25  | 125  8 15   | 4   7  3  |
+-------------+-------------+-----------+
| 357  67 4   | 138  9 138  | 568 35 2  |
| 139  16 8   | 4    5 2    | 69  39 7  |
| 359  2  359 | 7    6 38   | 589 1  4  |
+-------------+-------------+-----------+

The 15-9 XY Wing with pivot at r2c9 (-9r1c4) does not solve it
but the 27-9 XY Wing with pivot at r5c3 (-9r2c4) does.
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