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		| arkietech 
 
 
 Joined: 31 Jul 2008
 Posts: 1834
 Location: Northwest Arkansas USA
 
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				|  Posted: Tue Oct 03, 2017 11:28 pm    Post subject: VH100417 |   |  
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				|  	  | Code: |  	  | *-----------* |.1.|294|..8|
 |8..|...|...|
 |.3.|..5|.71|
 |---+---+---|
 |.9.|.1.|..7|
 |...|5.9|...|
 |6..|.4.|.2.|
 |---+---+---|
 |25.|3..|.8.|
 |...|...|..5|
 |9..|458|.1.|
 *-----------*
 
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		| Marty R. 
 
 
 Joined: 12 Feb 2006
 Posts: 5770
 Location: Rochester, NY, USA
 
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				|  Posted: Wed Oct 04, 2017 1:30 am    Post subject: |   |  
				| 
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				|  	  | Code: |  	  | +--------------+------------+-------------+
 | 57  1   567  | 2  9   4   | 356  356 8  |
 | 8   26  256  | 1  3   7   | 456  9   46 |
 | 4   3   9    | 68 68  5   | 2    7   1  |
 +--------------+------------+-------------+
 | 35  9   2345 | 68 1   26  | 4568 456 7  |
 | 17  247 1247 | 5  268 9   | 1468 46  3  |
 | 6   8   15   | 7  4   3   | 15   2   9  |
 +--------------+------------+-------------+
 | 2   5   1467 | 3  67  16  | 9    8   46 |
 | 137 467 8    | 9  267 126 | 3467 346 5  |
 | 9   67  367  | 4  5   8   | 367  1   2  |
 +--------------+------------+-------------+
 
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 XY-Wing (17-5) pivot r5c1
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		| Ajò Dimonios 
 
 
 Joined: 01 May 2017
 Posts: 339
 Location: Sassari Italy
 
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				|  Posted: Wed Oct 04, 2017 7:34 pm    Post subject: |   |  
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				| Hi everyone 
 [(7)R1C1-(7=1)R5C1 and (7-5)R1C1=(5)R4C1-(5)R4C78=(5)R6C7-(5=1)R6C3]=>contradiction two singles 1 in box 4=>-7R1C1=>stte.
 
 Ciao a Tutti
 Paolo
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