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Jan 13 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Fri Jan 13, 2023 11:11 am    Post subject: Jan 13 VH Reply with quote
Hi everyone,

Code:

+--------------+-----------+--------------+
| 46   9   5   | 2 67  8   | 1   47    3  |
| 7    3   8   | 4 5   1   | 29  29    6  |
| 246  1   246 | 3 9   67  | 57  457   8  |
+--------------+-----------+--------------+
| 245  8   1   | 7 246 46  | 56  3     9  |
| 3    6   7   | 9 8   5   | 4   1     2  |
| 9    245 24  | 1 246 3   | 567 8     57 |
+--------------+-----------+--------------+
| 2456 245 3   | 8 1   479 | 29  25679 57 |
| 1    7   69  | 5 3   2   | 8   69    4  |
| 8    245 249 | 6 47  479 | 3   2579  1  |
+--------------+-----------+--------------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 5,6,7 in r3c67,r4c7 and -6 in r4c6
or
Skyscraper with number 5 in r4c1,r6c9 SL in r7c19 and -5 in r4c7,r6c2
or
2 String Kite
with number 5 in r6c9,r9c2 SL in r7c9,r9c8 and -5 in r6c2
with number 5 in r4c1,r7c9 SL in r4c7,r6c9 and -5 in r7c1
or
Finned X-Wing with number 5 in r67c29 finned in r9c2 and -5 in r7c1


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Fri Jan 13, 2023 6:30 pm    Post subject: Reply with quote
Remove <6> from r6c7 to solve

Code:

+---------------+-------------+-----------------+
| 46    9   5   | 2  67   8   |  1    47     3  |
| 7     3   8   | 4  5    1   |  29   29     6  |
| 246   1   246 | 3  9    67  |  57   457    8  |
+---------------+-------------+-----------------+
| 245   8   1   | 7  246  46  |  56   3      9  |
| 3     6   7   | 9  8    5   |  4    1      2  |
| 9    a245 24  | 1  246  3   | x567  8     b57 |
+---------------+-------------+-----------------+
| 2456  245 3   | 8  1    479 |  29  25679  c57 |
| 1     7   69  | 5  3    2   |  8   69      4  |
| 8     245 249 | 6  47   479 |  3   2579    1  |
+---------------+-------------+-----------------+

Quote:
In row 6 if x=6 then <24> pair would give a=5, b=7, c=5

If a=5 and c=5 this would lead to no <5> in box 7
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