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		| ZeroAssoluto 
 
 
 Joined: 05 Feb 2017
 Posts: 1019
 Location: Rimini, Italy
 
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				|  Posted: Sat Dec 30, 2023 10:20 am    Post subject: Dec 30 VH |   |  
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				| Hi everyone, 
 
  	  | Code: |  	  | +-------------+-----------+-----------+
 | 6  3    25  | 25  1  8  | 9    4  7 |
 | 57 1578 258 | 4   6  9  | 15   28 3 |
 | 4  158  9   | 3   7  25 | 15   28 6 |
 +-------------+-----------+-----------+
 | 57 2    1   | 578 9  56 | 3678 37 4 |
 | 3  57   6   | 1   58 4  | 78   9  2 |
 | 8  9    4   | 27  3  26 | 67   1  5 |
 +-------------+-----------+-----------+
 | 9  58   358 | 568 2  7  | 4    36 1 |
 | 1  4    578 | 568 58 3  | 2    67 9 |
 | 2  6    37  | 9   4  1  | 37   5  8 |
 +-------------+-----------+-----------+
 
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 Play this puzzle online at the Daily Sudoku site
 
 
  	  | Quote: |  	  | XYZ-Wing 5,7,8 in r4c14,r5c5 and -5 in r4c6 | 
 
 Ciao Gianni
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		| TomC 
 
 
 Joined: 30 Oct 2020
 Posts: 359
 Location: Wales
 
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				|  Posted: Sat Dec 30, 2023 6:49 pm    Post subject: |   |  
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				| Remove <2> from r6c4 to solve 
  	  | Quote: |  	  | A short chain leads to a contradiction 
 If r6c4=2, r6c6=6, r4c6=5, r4c1=7 then no <7>'s in box 5
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