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Sep 26 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 940
Location: Rimini, Italy
PostPosted: Mon Sep 25, 2017 10:15 pm    Post subject: Sep 26 VH Reply with quote
Hi everyone,

Code:

+--------+-------------+------------+
| 5 4 1  | 9  8   7    | 2  3   6   |
| 3 6 9  | 4  25  25   | 1  8   7   |
| 8 2 7  | 3  6   1    | 59 459 459 |
+--------+-------------+------------+
| 4 3 56 | 58 259 2568 | 59 7   1   |
| 1 9 2  | 7  45  3    | 8  6   45  |
| 7 8 56 | 1  49  56   | 3  49  2   |
+--------+-------------+------------+
| 9 1 4  | 6  3   58   | 7  2   58  |
| 2 7 3  | 58 1   4    | 6  59  589 |
| 6 5 8  | 2  7   9    | 4  1   3   |
+--------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 5,9 in r3c7,r8c8 connected by number 9 in r38c9 and -5 in r3c8
or
W-Wing 5,9 in r4c7,r8c8 connected by number 5 in r48c4 and -9 in r6c8
or
XY-Wing 4,5,9 in r5c9,r68c8 and -5 in r78c9


Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Tue Sep 26, 2017 8:33 am    Post subject: Reply with quote
Hi everyone


[(4)R3C8-(4=9)R6C8 and (4-5)R3C8=(5)R8C8-(5)R8C4=(5)R4C4-(5=9)R4C7] =>contradiction two singles 9 in box 6=>-4R3C8=>stte.

Ciao a Tutti
Paolo
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roaa



Joined: 18 Apr 2009
Posts: 112
Location: Sweden
PostPosted: Tue Sep 26, 2017 8:47 am    Post subject: Reply with quote
XY-Wing 459 at r6c8
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Sep 26, 2017 3:17 pm    Post subject: Reply with quote
roaa wrote:
XY-Wing 459 at r6c8


That's what I used.
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