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Feb 05 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Sat Feb 05, 2022 10:50 am    Post subject: Feb 05 VH Reply with quote

Hi everyone,

Code:

+-----------+----------+--------------+
| 678 5  4  | 9 3   2  | 78   67  1   |
| 278 78 9  | 6 5   1  | 3    4   278 |
| 3   1  26 | 7 8   4  | 5    26  9   |
+-----------+----------+--------------+
| 27  3  5  | 1 69  69 | 27   8   4   |
| 4   6  8  | 3 2   7  | 1    9   5   |
| 1   9  27 | 5 4   8  | 6    3   27  |
+-----------+----------+--------------+
| 789 4  3  | 2 19  5  | 789  17  6   |
| 69  2  1  | 8 7   69 | 4    5   3   |
| 5   78 67 | 4 169 3  | 2789 127 278 |
+-----------+----------+--------------+

Play this puzzle online at the Daily Sudoku site

Quote:
Skyscraper
with number 2 in r2c19,r6c39 and -2 in r3c3,r4c1
with number 2 in r3c38,r6c39 and -2 in r2c9
with number 2 in r2c19,r4c17 and -2 in r6c9
W-Wing 2,7 in r4c1,r6c9 SL with number 2 in r2c19 and -7 in r4c7,r6c3


Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 349
Location: Wales

PostPosted: Sun Feb 06, 2022 10:20 am    Post subject: Reply with quote

To use standard moves:

X wing on <8> (there are 2 different ones) -8 r2c1, r9c7
a couple of basics leads to -7 r2c9
then XY wing <278> pivot r1c7 removes 2 from r6c9
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