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		| ZeroAssoluto 
 
 
 Joined: 05 Feb 2017
 Posts: 1019
 Location: Rimini, Italy
 
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				|  Posted: Wed Sep 20, 2017 10:15 pm    Post subject: Sep 21 VH |   |  
				| 
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				| Hi everyone, 
 
  	  | Code: |  	  | +----------+----------+------------+
 | 38 78 1  | 9 23  27 | 5    4  6  |
 | 6  4  2  | 5 1   8  | 9    7  3  |
 | 39 5  79 | 4 36  67 | 2    1  8  |
 +----------+----------+------------+
 | 18 9  6  | 2 5   4  | 1378 38 17 |
 | 7  3  5  | 8 9   1  | 4    6  2  |
 | 2  18 4  | 6 7   3  | 18   5  9  |
 +----------+----------+------------+
 | 5  6  8  | 7 24  9  | 13   23 14 |
 | 4  2  3  | 1 68  56 | 78   9  57 |
 | 19 17 79 | 3 248 25 | 6    28 45 |
 +----------+----------+------------+
 
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 Play this puzzle online at the Daily Sudoku site
 
 
  	  | Quote: |  	  | XY-Wing 1,3,8 in r4c8,r67c7 and -3 in r4c7,r7c8 or
 XY-Wing 1,7,8 in r4c9,r68c7 and -7 in r4c7,r8c9
 or
 XY-Wing 2,4,5 in r7c5,r9c69 and -4 in r7c9,r9c5
 or
 XYZ-Wing 2,4,8 in r79c5,r9c8 and -2 in r9c6
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 Ciao Gianni
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		| Ajò Dimonios 
 
 
 Joined: 01 May 2017
 Posts: 339
 Location: Sassari Italy
 
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				|  Posted: Thu Sep 21, 2017 9:11 am    Post subject: |   |  
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				| Hi everyone 
 
 [(1)R4C9-(1=8)R6C7 and (1-7)R4C9=(7)R8C9-(7=8)R8C7=>contradiction two singles 8 in column 7=>-1R4C9=>stte.
 
 Ciao a Tutti
 
 Paolo
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