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Nov 27 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 872
Location: Rimini, Italy
PostPosted: Mon Nov 27, 2023 9:43 am    Post subject: Nov 27 VH Reply with quote
Hi everyone,

Code:

+------------+------------+-----------+
| 18  7   3  | 9   5  18  | 2  6   4  |
| 5   2   4  | 3   67 68  | 9  78  1  |
| 9   168 68 | 2   47 148 | 37 378 5  |
+------------+------------+-----------+
| 27  9   1  | 8   24 45  | 6  57  3  |
| 27  4   68 | 56  9  3   | 57 1   28 |
| 3   68  5  | 1   26 7   | 4  9   28 |
+------------+------------+-----------+
| 146 15  9  | 456 8  2   | 35 345 7  |
| 48  58  7  | 45  3  9   | 1  2   6  |
| 46  3   2  | 7   1  56  | 8  45  9  |
+------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:

XY-Wing 4,5,6 in r8c4,r9c16 and -4 in r8c1


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 349
Location: Wales
PostPosted: Tue Nov 28, 2023 9:38 am    Post subject: Reply with quote
Remove <5> from r4c6, r9c8 to solve

Code:

+------------+--------------+-------------+
| 18  7   3  | 9   5    18  | 2   6    4  |
| 5   2   4  | 3   67  b68  | 9  c78   1  |
| 9   168 68 | 2   47   148 | 37  378  5  |
+------------+--------------+-------------+
| 27  9   1  | 8   24  x45  | 6  d57   3  |
| 27  4   68 | 56  9    3   | 57  1    28 |
| 3   68  5  | 1   26   7   | 4   9    28 |
+------------+--------------+-------------+
| 146 15  9  | 456 8    2   | 35  345  7  |
| 48  58  7  | 45  3    9   | 1   2    6  |
| 46  3   2  | 7   1   a56  | 8  x45   9  |
+------------+--------------+-------------+

Quote:
XY chain abcd (56-68-78-57) gives pincers of <5> in a + d to remove <5> from x
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